Daily Free Books
Free eBook Filters

Keyword(s)

Content
Genres
Settings
Save These Filter Settings

All of the filters are bookmarkable too, so you can also bookmark any page and the filter settings will be kept when you return to the bookmark

Subscribe to get free eBooks every day

Free Kindle eBooks | Hard Science Fiction |

Showing Free eBook 1-60 of 249
  1 2 3 4 5  Next

Rating: 3.20 / 5
3 reviews

Expeditions of the Mantis: Mantis Saga: Book 2

by Jim Henderson

...

Genre: Science Fiction & Fantasy, Hard Science Fiction, Military
Size: 213 pages
Free eBook download for Kindle from 13 October 2019 onward  

Far Mantis: Mantis Saga Book 3

by Jim Henderson

...

Genre: Science Fiction & Fantasy, Hard Science Fiction, Military
Size: 285 pages
Free eBook download for Kindle from 13 October 2019 onward  

Revenge (The Next Book 1)

by Mike Miracle

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 129 pages
Free eBook download for Kindle from 13 October 2019 onward  

Kids...They Boot Up So Fast!: a preview of "The five year old man"

by Debashish Chakraborty

...

Genre: Science Fiction & Fantasy, Cyberpunk, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 13 October 2019 onward  

DISRUPTIVE SHOCK: An EMP Survival story

by Connor Mccoy

A yearly trek to the carnival with his young sons is the highlight of Ian Carrol’s life. What begins as another opportunity to build lifelong memories quickly fades to black by the time the sun sets. The world and humanity at large take an inexplicable turn, leaving the struggling single father to resort to desperate measures to get his family to safety. As they traverse the increasingly dangerous landscape, they find themselves face-to-face with the worst this broken society has to offer.Will Ian achieve his goal and get his family to his parents’ home before danger finds them?...

Genre: Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Post-Apocalyptic
Size: 169 pages
Free eBook download for Kindle from 13 October 2019 onward  

Void Birds

by Chuck Boeheim

...

Genre: Science Fiction & Fantasy, First Contact, Hard Science Fiction, Military
Size: 38 pages
Free eBook download for Kindle from 13 October 2019 onward  

Rating: 3.70 / 5
4 reviews

Edge of Reality (Phantom Server: Book #1) LitRPG series

by Andrei Livadny

He is a cyber dweller. A gamer who's grown up in the web of virtual illusion woven from hundreds of phantom worlds. His biggest dream is to dump the real world for good.His desperate hunger of new experiences forces him to take a risk and become one of the first proud owners of a neuronet implant. The new gadget becomes part of him - but soon it's not enough. If only he could finally burn all his bridges and make a step beyond the real world!He soon gets this opportunity. A new universe, overflowing with mystery and unimaginable, mind-blowing authenticity, opens up before him.This is Phantom Server. The game of the future where your pursuit of an adrenaline rush soon turns into a battle for survival. But the most terrifying mystery lies ahead when you gradually start to realize: this is a ...

Genre: Science Fiction & Fantasy, Fantasy, Fiction, Science Fiction, Superhero, Cyberpunk, Hard Science Fiction
Size: 383 pages
Free eBook download for Kindle from 13 October 2019 onward  

Rating: 5.00 / 5
3 reviews

Fesarius: The Speed Trials

by JOHN ADAMS

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 13 October 2019 onward  

OTHER WORLDS: DIMENSIONAL CRASH (PARALLEL WORLDS Book 1)

by Salinas Segura, Luis Alberto

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 13 October 2019 onward  

Humanoid AI: More human than human?

by Robert J Allen

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 169 pages
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 4.40 / 5
37 reviews

The Exile Empire

by Joshua Done

Live. Run. The last message from Central Command was more a plea than an order, and running is exactly what the last remnants of humanity did to escape The Death as Earth was destroyed. Among the survivors is James Ursidae, a fearsome warrior whose despair now outweighs his expectations for the future. After months of drifting through intergalactic space, Ursidae and what humanity remains have found a spark of hope on the planet Lintalla and in the company of its native Illani. Unfortunately, starting anew comes at a price, and even in a strange system violence and war are a constant. A new enemy, the Tarin’Tal, hold the system’s inhabitants in a vice-like grip that continues to tighten. Can Ursidae and the Earthlings burn bright yet again and save their new world from the destruction ...

Genre: Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, Hard Science Fiction, Teen & Young Adult
Size: Unknown
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 5.00 / 5
5 reviews

Emergent: Book 1 of the Cerenovo Series

by Michael S. Nuckols

...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Cyberpunk, Dystopian, Genetic Engineering, Hard Science Fiction
Size: 311 pages
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 4.00 / 5
2 reviews

Loss of Signal: a novella

by Daniel Fludgate

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 84 pages
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 3.60 / 5
18 reviews

Paradox - On the Brink of Eternity

by Phillip P. Peterson

...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction, Space Exploration
Size: 448 pages
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 1.00 / 5
1 review

Year’s Best & Big Science Fiction Book: Fantastic Science Fiction Stories Collection

by Teddy Boles

This gathering propelled the prominent and long-running "The Year's Best Science Fiction" stories Fabulous Science Fiction! The Year's Best - And Biggest Collection...

Genre: Fiction, Short Stories, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Hard Science Fiction
Size: 105 pages
Free eBook download for Kindle from 12 October 2019 onward  

Rating: 4.20 / 5
4 reviews

Loss Of Reason: A Thriller (State Of Reason Mystery, Book 1)

by Miles A. Maxwell

One Of The Most Disturbing Stories You'll Ever Read

Distant for many years, Franklin out of Pennsylvania and his step-brother Everon out of Nevada are connected by a single link: Their sister Cynthia.

Enter The Nightmare

A nuclear bomb is detonated in New York. Banker, wife, mother, Cynthia lives in New York.

The military has quarantined the city. All bridges and tunnels have been destroyed or blocked. Easterly winds have forced the huge cloud of radiation is out over Long Island. But the wind is about to change.

Franklin climbs mountains. Everon can fly anything. And Cynthia's brothers are determined to find her.

If it were your sister, what would you do?
...

Genre: Crime, Thriller & Mystery, Mystery, Thrillers, Suspense, Science Fiction & Fantasy, Fantasy, Epic, Historical, Fiction, Action & Adventure, Nonfiction, Romance, Science Fiction, Hard Science Fiction, Post-Apocalyptic
Size: 288 pages
Free eBook download for Kindle from 12 October 2019 onward  

The Sphere: A Short Story by John Newcomb Crain

by John Newcomb Crain

...

Genre: Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction
Size: 21 pages
Free eBook download for Kindle from 11 October 2019 onward  

Rating: 4.90 / 5
19 reviews

Rika Outcast: A Tale of Mercenaries, Cyborgs, and Mechanized Infantry (Aeon 14: Rika's Marauders Book 1)

by M. D. Cooper

In the Age of the Orion War...Rika is mech-meat, a cyborg killing machine, created by the Genevian military and cast aside when the war was lost.Now she slings cargo on Dekar Station, falling deeper in debt as she struggles to make enough money to keep her cybernetic body functioning. The local gangs would love to have her join their ranks, and the takings would pay her bills, but the only thing Rika hates more than what she's become, is killing for others.But morals don't buy repairs and she's at the point of utter desperation when her loan holder cashes in her debt and sells her to the highest bidder.When Rika wakes, she's in a warehouse on a planet she's never heard of, and a trio of mercenaries are reassembling her body. Their mission is to kill the world's president, and her mods and ...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Cyberpunk, Galactic Empire, Hard Science Fiction, Military, Space Opera
Size: 249 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 4.00 / 5
13 reviews

Plague of Equals: A science thriller of international disease, politics and drug discovery. (Pandemic Mysteries Book 2)

by J Oestreicher

In cities and villages world-wide, drug companies must defend their clinical trials against anti-science activists. Eleanor Powell is convinced the drug companies have done their due diligence, but the global population is shrinking and politicians are looking for a scapegoat. Eleanor is finding herself suddenly in the middle of a cultural battle over science and statistics.

Meanwhile, in a remote village in Vietnam, Mike Johnson fights to understand if Agent Orange is the cause of the miscarriages and low birth rates he sees there. Why are the children dying, or not being born at all?

Others around the globe, like Angeline Moreno, are also fighting to save their people. Angeline returns home to the Amazon and sees her best friend die in childbirth. Now her siste...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Teen & Young Adult
Size: 410 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 5.00 / 5
1 review

Lucian 00000001

by Ray Fisher

Lucian 00000001 was an android with a problem. He hated his creator, Jackson. After breaking Jackson’s arms he was placed in a prison, Terra, with other faulty androids. Lucian became the tyrannical ruler of Terra forcing his master to design another android, Joshua, to restore peace there. Joshua transformed Lucian and Terra but was forced to flee from Lucian’s jealousy. Jackson sent Joshua back to Terra with instructions to overthrow Lucian’s rule. This he did, by organising a rebellion and Lucian’s tyranny was replaced with a democracy. Another of Jackson’s creations, Libby, who knew Lucian from the past, volunteered to speak to him. The outcome of this was dramatic for everyone in Terra....

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Metaphysical & Visionary
Size: 205 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 5.00 / 5
1 review

First Comes Chaos (The Rexan Discovery Book 1)

by Samantha Harmer

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 316 pages
Free eBook download for Kindle from 10 October 2019 onward  

Fesarius: Starship Down

by JOHN ADAMS

...

Genre: Science Fiction & Fantasy, Hard Science Fiction, Space Exploration
Size: 129 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 5.00 / 5
2 reviews

Porcupine Station (The Golden Age of Heroes Book 7)

by Ken Ramsley

David Evangelista is trapped in Alaska trying to figure out what happens next. At the hands of a natural disaster of unimaginable power, humanity has been nearly wiped out. The rest of his research team is stuck in the lower 48, and David is on his own. Daylight has disappeared, at least for a while, and the Moon is probably gone for good. The ‘old’ Earth is over. The ‘new’ Earth is a shaky proposition.

If the Sun ever rises again, David will work his way upstream along the Porcupine River to Old Crow in Yukon Territory, a community of the Van Tat Gwich’in First Nation people. The Gwich’in operate a commercial airport. It’s a long shot, but maybe a way home.

While David prepares for his dangerous hike, a visitor arrives. It will be a huge ste...

Genre: Fiction, Action & Adventure, Literary Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Post-Apocalyptic
Size: 103 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 4.00 / 5
1 review

Nadine's Bible (Book 1): Old Testament (AfroFuturism Sci-Fi) (Alien Monologues' series)

by T Lindsey-Billingsley

Book One (2nd Edition;Alternate Cover) There's a popular saying that men are from Mars and women are from Venus. In this science fiction story, nothing is closer to the truth. The Great Mother created the perfect woman in Her image on Venus, and the Great Father created a perfect man in His image on Mars. Now, the Great Father and Great Mother are feuding; a Gender War is beginning. This multi viewpoint story introduces you to the Amazons, the history of their Order, and story of humanity's beginning. This is a tale of bloody battles, political intrigue, and extra-terrestrials; loosely based off conspiracy theories, major religions, and Greek mythology. This is the story of an advanced race of warrior women that reside on the dark and secret side of Venus, unseen from the earth and Mars....

Genre: Crime, Thriller & Mystery, Thrillers, Science Fiction & Fantasy, Fantasy, Epic, Fiction, Science Fiction, Fairy Tales, Alien Invasion, Colonisation, Cyberpunk, First Contact, Hard Science Fiction, Metaphysical & Visionary, Space Exploration, Space Opera, Time Travel, Teen & Young Adult
Size: 204 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 3.60 / 5
4 reviews

Homo Avatarius: ( Your Consciousness is an Alien )

by JT Alblood

What if whatever you know as HISTORY is just an illusion? What if your consciousness was an Alien?

Throughout the history of the world, we have seen war, the spread of civilization, discovered many wonders, but what if in all that time, Homo sapiens were merely evolving into something new? What if on the inside we are all alien?
Homo Avatarius now rules the Earth. The invasion has already ended. Wake up to reality; your inner voice is an alien.
The story while also featuring some interesting characters from Adolf Hitler to Wilhelm Reich.
As it is said, that the future affects the past, the story also takes you on a time adventure from Hitler's WWII time, the 1214 Ancient Beijing Warriors time to the modern 20th century.
The novel also has a stunnin...

Genre: Science Fiction & Fantasy, Fantasy, Fiction, Science Fiction, Alternative History, Hard Science Fiction
Size: 174 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 3.50 / 5
2 reviews

God's Ground: Compared to the settlement of space, all other forms of human endeavor shrink to insignificance

by John Brophy

Tesla Miller has never been to space and doesn’t even like to fly. Desperate to save herself and her six-month-old son from her violent husband, she takes a job as an “escort” at the Sky City Resort and Casino in low-Earth orbit. Sky City is the newest and largest entry in the fledgling space tourism industry. Tiny by earthly standards, with just seventy-two guest rooms, it is nevertheless equipped with all of the latest attractions. Tesla finds herself in a strange and wonderful new world dominated by the absence of gravity. While experiencing the considerable pleasures and costs of a life without gravity, she ultimately discovers two facts that change the course of history and unleash powerful forces hell-bent on maintaining the status quo....

Genre: Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, Hard Science Fiction, Metaphysical & Visionary
Size: 217 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 2.50 / 5
2 reviews

RoboSuicide

by Steven Orlowski

You're mostly human, implanted with technology to improve your life. If it works, awesome. If not, you'll have to trigger the RoboSuicide Sequence, a kind of self-destruct mode that'll convert you to 100% Artificial Intelligence. Your consciousness will be gone. But no one will be able to tell the difference. Welcome to the Future....

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Dystopian, Hard Science Fiction, Metaphysical & Visionary, Post-Apocalyptic
Size: 12 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 4.60 / 5
3 reviews

Penticore Prime: The Tale of the Exodus

by Mark Chevalier

Penticore Prime, a world where death is not bound by the laws of biology, and majestic towers rise into geosynchronous orbit. While far below, a colossal dome encloses a vast city landscape overflowing with light, color, and majestic architecture. Yet there is a reason why this ancient and powerful race is confined to fifteen cities across one broad continent, and that reason is climate change.Candor Shubin, a noted geologist, is a man caught between two worlds. Thrust into this alien landscape, his desperate struggle to reconcile reality threatens to fracture his sanity, and end his existence. Yet the clock is ticking, and as the danger to Penticore Prime grows, Candor discovers more than he could possibly imagine.In an explosive climax that challenges the precepts of evolution, and time,...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Dystopian, Hard Science Fiction, Time Travel, Teen & Young Adult
Size: 363 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 4.70 / 5
11 reviews

Empire Ascensions (Exile Empire Book 2)

by Joshua Done

...

Genre: Science Fiction & Fantasy, Galactic Empire, Hard Science Fiction, Space Exploration, Teen & Young Adult
Size: 376 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 4.50 / 5
2 reviews

Beyond the Rubicon

by John Peaseland

...

Genre: Crime, Thriller & Mystery, Suspense, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 235 pages
Free eBook download for Kindle from 10 October 2019 onward  

Rating: 3.20 / 5
3 reviews

The Liberty Fleet Trilogy (War of Alien Aggression, box set two)

by A.D. Bloom

The Liberty Fleet Trilogy - After victory in the 2164-2165 War, Humanity expands into the territory of an Imperium that has sworn to destroy them. The first shots of the new war echo through the surrounding systems as Humanity's neighboring species must choose sides and fight with or against the local cluster's newest upstart rebels.
2166 - FORCE LIBERTY
Ram Devlin of the Staas Company Privateers ventures to Shedir-4 with the attack carrier Hardway and a new UN battleship. Pursued by a devastating Imperium warship, they seek allies and technology. Staas Company and the UN will stop at nothing to acquire what Earth needs to protect itself, but their gunboat diplomacy could cripple Humanity's expansion by marking us as the galaxy's most dangerous savages. Ram Devlin can't allow ...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Military, Space Opera
Size: 367 pages
Free eBook download for Kindle from 10 October 2019 onward  

Interaction Region

by Chuck Boeheim

Croxton had a reality distortion field a mile wide. When he persuaded his colleague, Howe, to tour neighboring universes to ensure their stability, Howe didn't know what he was getting into, until he started going home to different versions of his wife…A short science fiction story set at a modern-day accelerator laboratory, with a healthy dose of humor....

Genre: Fiction, Short Stories, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Hard Science Fiction
Size: 46 pages
Free eBook download for Kindle from 09 October 2019 onward  

Destiny of Hearts: A Dark Mafia Romance Story

by Rachelle Mealove

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 36 pages
Free eBook download for Kindle from 09 October 2019 onward  

Rating: 5.00 / 5
2 reviews

Kinghood (The Fourpointe Chronicles Book 1)

by Joshua Rutherford

From birth, Prince Jameson has been groomed to reign. On the heels of a victory against a barbarian force, he is welcomed home as a savior. His father toasts his impending marriage to the daughter of a key ally. Everything is in place for the young monarch-in-waiting. Yet all is not what it seems in Arcporte Castle. In the shadows, barons speak of usurping their sovereign. Kings doubt their alliances on the eve of signing a treaty. And one royal is much more than the man he claims to be. In the midst of this mystery and intrigue, a throne is challenged. Kin Saliswater, having ruled their island nation of Marland for over two centuries, find their dynasty in tatters. Only by marshaling every resource – and blood relative – available, do they stand a chance to defend their rule and secur...

Genre: Science Fiction & Fantasy, Fantasy, Contemporary, Science Fiction, Myths & Legends, Hard Science Fiction
Size: 432 pages
Free eBook download for Kindle from 09 October 2019 onward  

Commencement: Book Four of the HaChii Commencement

by Patrick O'Connor

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 205 pages
Free eBook download for Kindle from 09 October 2019 onward  

A CALL FOR EARTHERS: THE THING WE HAVE TO DO IN THE WORLD OF HOVLEF

by NL RINKU

...

Genre: Science Fiction & Fantasy, Hard Science Fiction, Military
Size: 283 pages
Free eBook download for Kindle from 09 October 2019 onward  

Rating: 4.00 / 5
1 review

Elias: The Caretaker (Elias/the caretaker)

by R.L. Mitchley

...

Genre: Science Fiction & Fantasy, Fantasy, Science Fiction, Superhero, Hard Science Fiction
Size: 22 pages
Free eBook download for Kindle from 09 October 2019 onward  

Rating: 4.50 / 5
2 reviews

Dhata Mays: A Futuristic Crime Thriller (The Synth Crisis Book 0)

by Greg Dragon

...

Genre: Crime, Thriller & Mystery, Mystery, Thrillers, Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, Cyberpunk, Dystopian, Genetic Engineering, Hard Science Fiction, Metaphysical & Visionary
Size: 146 pages
Free eBook download for Kindle from 09 October 2019 onward  

Rating: 3.10 / 5
3 reviews

The Phantom Fleet

by Julien Boyer

Cold war between Earth and Mars. A massive invasion fleet suddenly appears off the corner of the solar system, headed towards Earth. The nearest patrol ship is sent to investigate, with little chance of survival....

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Military, Space Opera
Size: 37 pages
Free eBook download for Kindle from 09 October 2019 onward  

The Reality Delusion: Challenges Everything You Know and Believe

by Simon Hadman

...

Genre: Science Fiction & Fantasy, Fantasy, Science Fiction, Alternative History, Hard Science Fiction
Size: 512 pages
Free eBook download for Kindle from 09 October 2019 onward  

Rating: 4.50 / 5
5 reviews

Mars Journey: Call to Action: Book 1: A SciFi Thriller Series

by Bill Hargenrader

Get ready for an exciting, near-future SciFi thriller that will take you on an epic journey around the world and beyond… Mars Journey: Call to Action is the story that marks the beginning of humanity’s greatest adventure.

In the Mars Journey Series, Brent Carlson, a brilliant but disgraced former astronaut, is called upon to help lead a seemingly impossible international mission from Earth to Mars. Their primary directive is to become the first human pioneers to set foot on Martian soil and begin colonization of the red planet.

Now with the clock ticking down, they’ve entered into a dangerous race against time and a fight with humanity’s darker side just to survive long enough to see the launch.

***

The Mars Journey series delve...

Genre: Fiction, Short Stories, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Colonisation, Hard Science Fiction, Metaphysical & Visionary, Space Exploration
Size: 116 pages
Free eBook download for Kindle from 08 October 2019 onward  

Rating: 5.00 / 5
5 reviews

Kuba: The Birth of a Super Powerful AI (Rogue Hackers Book 0)

by John Minx

The Birth and Troubled Upbringing of an A.I...A ten thousand word short, featuring Kuba - the A.I from the the Rogue Hackers Series - the story plunges us into the murky world of Moscow as the Soviet State Collapses, when a brilliant mathematician rewrites the rules of what is possible, and his stunning creation catches the attention of the Russian mob......

Genre: Computing, Microsoft, Fiction, Action & Adventure, Short Stories, Nonfiction, Science Fiction & Fantasy, Science Fiction, Adventure, Anthologies & Short Stories, Cyberpunk, Galactic Empire, Hard Science Fiction
Size: 42 pages
Free eBook download for Kindle from 08 October 2019 onward  

STRONGHOLDS (2) : Exploration Colony: THE LOST STARSHIP

by Valerii Titov

...

Genre: Fiction, Religious Fiction, Science Fiction & Fantasy, Science Fiction, Cyberpunk, Hard Science Fiction, Military, Space Exploration, Steampunk, TV, Movie, Video Game Adaptations
Size: 137 pages
Free eBook download for Kindle from 08 October 2019 onward  

Rating: 3.20 / 5
16 reviews

The Collapse: How it happened

by John Sullins

...

Genre: Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Post-Apocalyptic, Teen & Young Adult
Size: 148 pages
Free eBook download for Kindle from 08 October 2019 onward  

Rating: 3.60 / 5
4 reviews

Mind Machines (Human++ Book 1)

by Dima Zales

From New York Times & USA Today bestselling author Dima Zales, an intense new techno-thriller that pushes the limits of what it means to be human. With billions in the bank and my own venture capital firm, I’m living the American dream. My only problem? A car accident that leaves my mother with memory problems.Brainocytes, a new technology that can transform our brains, could be the answer to all of my problems—but I’m not the only one who sees its potential.Plunged into a criminal underworld darker than anything I could’ve imagined, my life-saving technology might be the death of me.My name is Mike Cohen, and this is how I became more than human.Please note: This book was formerly titled Human++....

Genre: Crime, Thriller & Mystery, Mystery, Thrillers, Suspense, Science Fiction & Fantasy, Fantasy, Fiction, Action & Adventure, Men's Adventure, Romance, Science Fiction, Adventure, Superhero, Cyberpunk, Hard Science Fiction, TV, Movie, Video Game Adaptations, Crime Fiction
Size: 407 pages
Free eBook download for Kindle from 08 October 2019 onward  

Rating: 3.50 / 5
4 reviews

Beyond the Event Horizon Episode One

by Albert Sartison

EPISODE 1/4

Everything simply follows the laws of objective reality

In 2177, close to the Solar System, scientists discover a source of disturbance to the space-time continuum: radiating gravity waves that did not appear to have the signature of those caused by natural processes.

On the basis of the approximate distance to the source and the intensity of the waves generated, its mass ought to be compatible with the size of a binary star and exert a strong influence on the movement of the planets in the Solar System. However, such a system of heavenly bodies is not known to exist.

Attempts to detect the mysterious object with the aid of Earth-based observatories and orbital telescopes are unsuccessful, but astronomers succeed in determinin...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Alien Invasion, Colonisation, First Contact, Hard Science Fiction, Space Exploration, Time Travel
Size: 88 pages
Free eBook download for Kindle from 08 October 2019 onward  

Rating: 3.50 / 5
4 reviews

43 Seconds: A Hayden's World Hard Science Fiction Short Story (Hayden's World Origins Book 1)

by S.D. Falchetti

Twelve minutes to Mars.

James Hayden had a dream, and the Riggs test vehicle was going to take him there. But when failure after failure leads to his last chance exploding spectacularly, he must partner with an AI and gamble everything for one last shot at the stars.

43 Seconds is a science fiction short story set in the Hayden's World universe. The story can be read in twenty minutes and is the perfect size for reading on the go....

Genre: Fiction, Action & Adventure, Short Stories, Science Fiction & Fantasy, Science Fiction, Adventure, Anthologies & Short Stories, Hard Science Fiction, Military, Space Exploration
Size: 26 pages
Free eBook download for Kindle from 07 October 2019 onward  

The Big Reset

by Erik Ransom

A major step forward in our infantile civilization is achieved when scientists finally harness a form of zero point energy – clean renewable free power. Their financiers in the government have other plans for the technology however and things quickly go downhill. This story showcases the ultimate irony of human arrogance and intellectual folly. This short story is taken from “Short Fusion” by the same author....

Genre: Fiction, Short Stories, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Dystopian, Hard Science Fiction, Teen & Young Adult
Size: Unknown
Free eBook download for Kindle from 07 October 2019 onward  

Davis is Awake: Hard Sci Fi and Apocalytic Sessions

by James Huber

...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Time Travel
Size: 111 pages
Free eBook download for Kindle from 07 October 2019 onward  

Rating: 4.30 / 5
71 reviews

Quantum Incident (Quantum Series Book 0)

by Douglas Phillips

This short novella combines several stories that span more than a thousand years. It's a prologue to the three-book Quantum Series that provides a glimpse into the drama to come. (Quantum Space, Quantum Energy and Quantum Time).​Tenth century, Moorish Spain. A young girl on her way home notices a shiny metallic object that was not there the day before -- and may not even be from her world.​​Flash forward to 2012. The long sought Higgs boson has been discovered at the Large Hadron Collider in Geneva, Switzerland. Scientists rejoice in the confirmation of quantum theory, but a reporter attending the press conference believes they may be hiding something.​​​Nala Pasquier is a particle physicist at Fermi National Laboratory in Illinois. She recognizes that the discovery in 2012 ope...

Genre: Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, First Contact, Hard Science Fiction
Size: 31 pages
Free eBook download for Kindle from 07 October 2019 onward  

Rating: 5.00 / 5
1 review

Across Enemy Space

by L.J. Simpson

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 07 October 2019 onward  

Humpty Dumpty: Cosmic Cuckoos Book Two

by Linda Phillips

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 07 October 2019 onward  

ROCKFALL

by Mark Philipson

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: Unknown
Free eBook download for Kindle from 07 October 2019 onward  

Rating: 4.60 / 5
5 reviews

Dark (The Dark Trilogy Book 1)

by Paul L Arvidson

IN THE STRANGE labyrinth of pipes on the planet called Dark, things are falling apart. Dun doesn't want to be a hero, he just wants to find an answer to the terrifying dreams he's been having. But the answers, the real answers, are going to take him places he's never imagined and tear him from the only home he's ever known.With a half finished map from his missing father, an old friend, a new friend and the mysterious Myrch to guide him, he journeys through parts of his world he's never imagined. Are his dreams real foretellings? Who can he trust to be who they say there are? What are the strange forces that seem to be literally pulling their world apart?As he travels through a world that is much bigger than he thought it was, what he won't know will kill him. And everyone he knows."…Pac...

Genre: Science Fiction & Fantasy, Epic, Adventure, Coming of Age, Metaphysical & Visionary, Hard Science Fiction, Post-Apocalyptic, Space Opera
Size: 299 pages
Free eBook download for Kindle from 06 October 2019 onward  

Rating: 4.00 / 5
9 reviews

Discovery: (a Proton Field Story #1)

by Laurence Dahners

...

Genre: Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 249 pages
Free eBook download for Kindle from 06 October 2019 onward  

Rating: 4.00 / 5
2 reviews

We Have Always Died In The Castle

by Elizabeth Bear

Virtual reality technology is no longer confined to computer-science labs and high-tech theme parks. Today, head-mounted goggles, sensors, and haptic control systems are tools for immersive journalism, professional development, and clinical therapy. In this novella, award-winning science fiction and fantasy author Elizabeth Bear and artist Melissa Gay imagine a near future informed by visceral VR simulations to catalyze positive change. We Have Always Died in the Castle is the first story in the Crowd Futures project from Arizona State University. An experiment in collaborative storytelling, Crowd Futures brings authors and illustrators into dialogue with members of an intellectually curious public to participate in the creative process by proposing scenarios, sharing ideas, weighing optio...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 51 pages
Free eBook download for Kindle from 06 October 2019 onward  

Rating: 2.80 / 5
3 reviews

IU-137: Free robot adventure

by Colin R Parsons

Deep in the heart of the Lucan Institute is the dormant form of the android: IU-137. The robot is the life's work of Professor Jarrad Shamtack. But...its about to be controlled by an unknown source and will attack and destroy at will. Can Professor Shamtack and his henchmen Huey and Bod get his beloved robot back? This is only the beginning...
Join my mailing list: http://goo.gl/2p6Aq4
IU-137 is a prequel - a short novella, added to Amazon on July 31st 2015. The synthetic human is really brought to life in Crank Tech One: DESTRUCTION, a full novel. I've written this novella, so you can get a feel for the robot before reading the main book. Crank Tech One, has been out since 2013 and is a very popular sci-fi adventure. But I've always felt that I should explain where Crank ori...

Genre: Fiction, Short Stories, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Hard Science Fiction
Size: 42 pages
Free eBook download for Kindle from 06 October 2019 onward  

Rating: 4.30 / 5
7 reviews

Aero One: A Hayden's World Short Story (Hayden's World Origins Book 3)

by S.D. Falchetti

Trapped in the icy skyJia can’t breathe, her ship is minutes from breaking apart in Uranus’s atmosphere, and the lifepod just burned up. Things aren’t going well. When her injured engineer’s solution sends them plummeting into the icy stratosphere, they find themselves trapped in a life-or-death battle against time, the elements, and unexpected visitors.Aero One is a science fiction short story set in the Hayden's World universe. The story is a short read (< 1 hour) and is the perfect size for reading on the go....

Genre: Fiction, Action & Adventure, Short Stories, Science Fiction & Fantasy, Science Fiction, Adventure, Anthologies & Short Stories, Hard Science Fiction, Military, Space Exploration
Size: Unknown
Free eBook download for Kindle from 06 October 2019 onward  

Rating: 5.00 / 5
1 review

Alien Challenge

by Shri Nagesh

It’s a science fiction containing the story of Aliens of a planet Tara, technologically far more advanced than human beings. They played future fun games on Earth. They used to come to earth pleasure trip and loved to play with the fate of people. At times they participated in the game. In one of their future fun games they got captured by people of earth and lost their independence. To liberate them other aliens intervened by bringing Moon on earth, causing a lot of devastation. They were successful in liberating the aliens trapped on Earth. They captured some people of Earth involved in trapping the aliens. They carried the prisoners in their vehicle. But one of the prisoners succeeded in capturing their vehicle and not only liberated Earth from the menace of Moon on Earth, but also su...

Genre: Children's eBooks, Fiction, Religious Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction, Metaphysical & Visionary, Space Opera, Teen & Young Adult
Size: 57 pages
Free eBook download for Kindle from 06 October 2019 onward  

Murder on the Orbital Express: Book One of the HaChii Commencement

by Patrick O'Connor

...

Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 106 pages
Free eBook download for Kindle from 06 October 2019 onward  

  1 2 3 4 5  Next
Back To Top ^