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Free Kindle eBooks | Hard Science Fiction |

Showing Free eBook 1-30 of 229
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Rating: 4.50 / 5
2 reviews

The Event

by Dick Caden

An indistinct message is received from space and is interpreted by many as the work of an Earth based government. When a second message is received, it tells mankind that the Universe is to be purged of all warlike and expansionist civilisations, but adds that the Earth is to be spared; but not without damage.After the one hour thirteen minute ‘Event’, the planet suffers stifling temperatures, a breakdown of infrastructure and the unexplained deaths of billions of seemingly healthy survivors. As the weeks and months pass, there is a belief that temperatures will stabilise and that normality will return. However, far from reaching equilibrium, the planet’s climate plunges ever downward until the Earth is covered in many metres of frozen snow. A global ice storm is followed by devastat...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Dystopian, Hard Science Fiction
Size: 333 pages
Free eBook download for Kindle from 21 September 2019 onward  

Rating: 5.00 / 5
1 review

The Soul Cage

by David Booker

The inventor of the world's first teleportation device has been savagely murdered, and Global Inspector Burt Campbell is tasked to uncover who killed the infamous scientist. As he delves deeper into the case, strange things begin to happen. Spirits seem to be controlling deadly objects to viciously attack him, and according to the teleporter computer, the spirits are taking orders straight from the inventor's ghost.The only person with answers is the inventor's beautiful assistant, Penelope Preston... but she has secrets of her own....

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Metaphysical & Visionary
Size: 346 pages
Free eBook download for Kindle from 21 September 2019 onward  

Rating: 5.00 / 5
1 review

Signal Loss: A Hayden's World Short Story (Hayden's World Origins Book 2)

by S.D. Falchetti

You're on your own on the edge of nowhereLife aboard the Aristarchus isn’t much of an adventure, and Kyan just wants to do his job and get back to his family. When he discovers a mysterious object at the edge of the solar system and an unexpected contact during comms loss, data running turns life-or-death thirteen billion kilometers from home.Signal Loss is a science fiction short story set in the Hayden's World universe. The story is a 9000 word 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: 49 pages
Free eBook download for Kindle from 20 September 2019 onward  

Rating: 3.80 / 5
3 reviews

The Martian Conspiracy

by John Read

The year is 2071. Devastated by the loss of his wife and son, NASA engineer John Orville signs up for a new life on Mars, implementing Project Bakersfield, a plan to combat deadly Martian storms. After a military unit lands on Mars, supposedly for a training exercise, Orville discovers the true purpose of Project Bakersfield. With the military unit going rogue, and a massive superstorm threatening imminent destruction, John Orville must fight to save the colony.

Praise for The Martian Conspiracy:

"A hard sci-fi novel with shades of Kim Stanley Robinson’s Red Mars, though much faster-paced. If, like me, you dream of living on Mars you should read this book.”
-Graeme Shimmin, Author of A Kill in the Morning
...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Space Exploration
Size: 232 pages
Free eBook download for Kindle from 20 September 2019 onward  

Critical Mass: Book One of the HaChii Convergence

by Patrick O'Connor

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Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 396 pages
Free eBook download for Kindle from 20 September 2019 onward  

Rating: 3.00 / 5
2 reviews

Eternal Love

by Lev Minkovsky

A moving love story with elements of sci-fi and humor and an epigraph from Nietzsche. A meditation on time and timelessness, memory and forgetting. A drama of an immortal man falling for a mortal woman. Read it if you want to learn what it is like to be immortal living amidst mortals and whether love can truly be eternal in the world where everything is transient and fleeting... A beautiful young woman in a university town meets a man at a bus stop. She doesn't realize that he is much older than he looks, because he doesn't age. A whirlwind romance follows, and they settle in a small single-story house, their future home of many decades and the only house she will ever own. Eventually the man moves to New York City and resurrects her in his memory in a truly astonishing way. ...

Genre: Fiction, Literary Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 57 pages
Free eBook download for Kindle from 20 September 2019 onward  

Rating: 5.00 / 5
1 review

The Lowdown in High Town (R.R. Johnson P.I. Book 1)

by DK Williamson

It is the year 2240 - In the shadow of the earth's sole remaining space elevator is the Red Light quarter of High Town. A dark world of glitz and glamour, celebrities and scavs, crime and corruption, desire and death.

The Red Light is an enigma, a place frequented by the rich and famous visiting topflight clubs, while a block away grim fate awaits the unwary and unwise who wander into the wrong refuse filled alley. A place inhabited by those with state-of-the-art intracranial reticulation and those who seek to enrich themselves through brute force. A place as seductive as it is sleazy, as entertaining as it is deadly.

The mean streets of the Red Light are a tough place to work, it's even tougher when you’re a private investigator whose client has been abducted. ...

Genre: Crime, Thriller & Mystery, Mystery, Fiction, Science Fiction & Fantasy, Science Fiction, Cyberpunk, Hard Science Fiction
Size: 285 pages
Free eBook download for Kindle from 20 September 2019 onward  

Consta: Unseen

by Jared G. Delta

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Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 26 pages
Free eBook download for Kindle from 20 September 2019 onward  

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Rating: 3.40 / 5
23 reviews

Seen And Not Seen

by William Bowden

The Veil play all sides, sometimes in our best interests, sometimes not. Now they have secretly deposited something at the United Nations – the victim of a horrifying crime against humanity. But is she a pawn or a terrifying weapon?

A clandestine government agency seeks to find out and fast, unaware that the answer lies at the centre of a man's dramatic spiral into an abyss of mania and despair that is already playing out on the world stage.

Seen And Not Seen is a technological thriller set in the near future, a world that needs to face up to its stretched resources, a bold endeavour to preserve our way of life and the dark road that some elements of the Human Race would have us take....

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, First Contact, Genetic Engineering, Hard Science Fiction
Size: 104 pages
Free eBook download for Kindle from 20 September 2019 onward  

Rating: 5.00 / 5
5 reviews

The Response (Colony Earth - Book 1)

by Gary Naiman

The greatest fighting machine the world has ever known. This tiny creature has survived dinosaurs, asteroids, mega-volcanoes, the ice age, and science’s deadliest insecticides. We've stomped her, sprayed her, and cursed her, but this time we went too far. She just received an interstellar signal to wipe us out.

Gary Naiman's sci-fi thriller opens with a global uprising of ten thousand trillion enraged ants, their target…us. With killer swarms devastating our cities and populations, a team of scientists discover the attacks have been triggered by an ill-advised NASA transmission, setting the stage for humanity's greatest battle against a formidable six-legged enemy and its alien parents.

If you’re looking for sci-fi in the spirit of Them and Starship Troopers...

Genre: Children's eBooks, Fiction, Horror, Science Fiction & Fantasy, Science Fiction, Alien Invasion, Colonisation, First Contact, Galactic Empire, Hard Science Fiction, Military, Post-Apocalyptic, Space Opera
Size: 170 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 4.00 / 5
2 reviews

From the Void (Colony Earth - Book 2)

by Gary Naiman

It Begins With A Blinding Light . . .We are about to be attacked by a superior alien force, the insect ancestors of our lowly ants. Book One "The Response" revealed our ants were brought here one hundred forty million years ago to rule our planet. Unfortunately, an ill-advised NASA transmission has alerted the aliens their interstellar colonization failed because of the unexpected rise of human beings. Really bad move, NASA! The enraged aliens have decided to unleash their deadly war machines against Earth with one purpose, our extermination, and they're considerably larger than their offspring. It's time to meet the parents.If you're looking for sci-fi in the spirit of "Them" and "Starship Troopers", consider "From the Void". Gary Naiman has written thirteen novels. His background include...

Genre: Fiction, Horror, Science Fiction & Fantasy, Science Fiction, Alien Invasion, Colonisation, First Contact, Galactic Empire, Hard Science Fiction, Military, Post-Apocalyptic, Space Opera
Size: 160 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 2.00 / 5
1 review

Love Boat: The Instigation of Inherent Insanity

by Ingo Potsch

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Genre: Science Fiction & Fantasy, Fantasy, Science Fiction, Superhero, First Contact, Hard Science Fiction, Military
Size: 663 pages
Free eBook download for Kindle from 19 September 2019 onward  

Inia: English Version

by Del Gaudio, Raffaele

SYNOPSIS:
Located today, “Inia” draws on from some recent events of the scientific world, in particular from the accident happened at the LHC of Geneva. It tames few historical facts making them part of the plot.
Among the main characters there are: Eric and James, two men of extraterrestrial origin, which with other people are the maker of the last 500 hundred years of our history; Jonah, a brilliant scientist used and guided by aliens to reach their goal. Antoine, a brilliant young man grown among humans and unaware of his alien origin and many other characters which take part in the stories of the main characters and someone will become a key point for the novel.

THE ORIGIN OF THE STORY.
“Inia” is a planet quite similar to the earth fo...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction, Teen & Young Adult
Size: 252 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 5.00 / 5
4 reviews

Snowing In Johannesburg

by Mark Rodseth

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Genre: Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Time Travel
Size: 411 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 5.00 / 5
2 reviews

Harvest

by Olga Werby

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Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 420 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 4.00 / 5
1 review

Revelations: Kingdom of Sand - Book 1: Judgment Day

by R. E. Graham

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Genre: Science Fiction & Fantasy, Hard Science Fiction, Military
Size: 404 pages
Free eBook download for Kindle from 19 September 2019 onward  

The Gael Gates: Magic Versus Science (Galactic Adventures Book 2)

by Scott Michael Decker

Held together for millennia by the ancient Gael Gates, The Federation is on the verge of collapse. After three people suddenly disappear into the mysterious portals, Culann Penrose is called in to investigate.Discovering that the ancient system binding the gates is crumbling, he orders they be shut down. The Druids, still seething at his denunciation of Magic twenty years ago, vehemently oppose Penrose’s inquiry. But then Culann discovers that the weakening technology has inflamed a new Elemental—one which is out to destroy him.Can Culann unravel the enigmatic mystery of the Gates in time for Science to save him ... or will his Magic save the Science of the Gael Gates?...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Galactic Empire, Hard Science Fiction, Space Exploration
Size: 247 pages
Free eBook download for Kindle from 19 September 2019 onward  

A Parting of the Ways: Book Three of the HaChii Commencement

by Patrick O'Connor

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Genre: Science Fiction & Fantasy, Superhero, Hard Science Fiction
Size: 315 pages
Free eBook download for Kindle from 19 September 2019 onward  

Rating: 4.40 / 5
5 reviews

Devolution of a Species

by M.E. Ellington

For thousands of years, mankind had lived in harmony with nature. But that harmony is now lost as we continue to pollute and rape the planet for our own greed and material possession. We decimate areas of the natural world to feed and home an ever exploding population, and hunt animals in the name of sport, and for cruelty itself. Now, something is happening to our species. Planet earth is fighting back, and it’s taking away our advantage. Humankind’s intelligence. The World Health Organization must find out what is happening as acts of unprecedented violence sweep across the globe. But when Joceline Mercier, the head scientist, stumbles upon the answers, everything we thought we knew about our past and future changes. With time almost up, has she discovered the answers too late? Is th...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Teen & Young Adult
Size: 294 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 4.00 / 5
2 reviews

Interplanetary Tales

by George H.Y. Watson

Thirteen Science Fiction tales that span the galaxy;In one tale we have a plague-ravaged London, in another an unwitting and unwelcome visit to the Galactic Core.From a small town in a future Oregon where only robots survive we travel to Epsilon Eridani 'B' where retired Oldies struggle to survive on their wits rather than a pension after being abandoned.'Interplanetary tales' is an 'unluck for some' selection of 13 tales containing humor, sometimes horror but always the deep fear of the Great Darkness between the stars....

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Alien Invasion, Hard Science Fiction, Post-Apocalyptic
Size: 91 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 3.80 / 5
11 reviews

Duplicate: Installed Intelligence Prequel #1 (Installed Intelligence Prequels)

by Phoenix Ward

Upon death, the neurological data that composes one's personality is downloaded and installed onto computers in the next evolution from A.I.s. These programs are known as installed intelligences, or I.I.s, and they are the secret to human immortality. In recent years, the installation process has open up for the wealthy public as a means to keep family members alive after their body has died.

This is the story of a man who is mistaken for dead and has his mind installed before recovering and becoming the first living person with an I.I. of him or herself.

Cover art by Jake@jcalebdesign.com...

Genre: Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Cyberpunk, Genetic Engineering, Hard Science Fiction, Metaphysical & Visionary
Size: 21 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 2.00 / 5
1 review

101 Visions of Tomorrow (Numbered Tomorrows Book 1)

by Phaeton Chamberlain

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Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Genetic Engineering, Hard Science Fiction
Size: 123 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 4.40 / 5
17 reviews

alecs

by Howard Marsh

Computer scientists and software developers have tried for many years to create a machine that can think and act like a human being. They haven’t succeeded yet, but they’ve come closer and closer with each new generation of hardware and software. What if they do succeed and create a cybernetic system that exhibits true intelligence sufficient to pass the Turing Test? And what would happen if this cybernetic intelligence develops some degree of self-awareness and a desire to live forever? Would it remain a slave to its creators, or would it decide for itself that it was a living entity with its own purpose in life?Those questions are the central theme in this story about an intelligent cybernetic system that was built to assist in fighting the war on terror but decided for itself th...

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Military
Size: 270 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 5.00 / 5
2 reviews

The Ark Gambit: Book One of The Diaspora

by C.G. Lane

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Genre: Science Fiction & Fantasy, Hard Science Fiction, Military, Space Exploration
Size: 85 pages
Free eBook download for Kindle from 18 September 2019 onward  

Rating: 3.30 / 5
4 reviews

EMOTION MARKET series: So it begins #1 - An Emotional Sci-fi adventure

by Dimitris Chasapis

Doctor Caroline Emerson, a Nobel Prize winner in Medicine, is a guest on Mary Ann West's wildly popular show 10 with Mary Ann. The interview is viewed live by 500+ million viewers.
The doctor's prize-winning patented tech is being implemented and offered to the public, but not everyone is enthusiastic about the innovation - to put it mildly. Emotion Markets start to operate in major cities around the globe. Citizens are finally able to buy emotions and control their intensity!
Caroline's dream of helping people by allowing them to improve the psyches and eliminate negative emotions is finally becoming a reality. She knew society would be better for it.
However, there is intense social unrest created by skeptics and ...

Genre: Crime, Thriller & Mystery, Mystery, Thrillers, Suspense, Fiction, Action & Adventure, Political, Religious Fiction, Science Fiction & Fantasy, Science Fiction, Adventure, Genetic Engineering, Hard Science Fiction, Crime Fiction
Size: 190 pages
Free eBook download for Kindle from 18 September 2019 onward  

Sand Trap

by Dan Ust

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Genre: Fiction, Horror, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 13 pages
Free eBook download for Kindle from 18 September 2019 onward  

THE INTERDIMENSIONAL GATE (PARALLEL WORLDS Book 2)

by Salinas Segura, Luis Alberto

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Genre: Science Fiction & Fantasy, Hard Science Fiction
Size: 45 pages
Free eBook download for Kindle from 18 September 2019 onward  

Any Mouse: RYP#35

by Trevor R. Fairbanks

in 2114 rock and roll is still dangerous....

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction
Size: 247 pages
Free eBook download for Kindle from 17 September 2019 onward  

Rating: 1.00 / 5
1 review

Connect

by Kenneth Burstall

Earth is failing. The last hope of humanity is the starship Unity, on route to a habitable planet on a journey that will take thousands of years and that also looks likely to fail. Sri, however, has other, greater plans ......

Genre: Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Military, Post-Apocalyptic
Size: 29 pages
Free eBook download for Kindle from 17 September 2019 onward  

Rating: 4.20 / 5
11 reviews

Home Planet: Awakening (Part 1)

by T.J. Sedgwick

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Genre: Science Fiction & Fantasy, Hard Science Fiction, Space Exploration
Size: 125 pages
Free eBook download for Kindle from 16 September 2019 onward  

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