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Free Kindle eBooks | Hard Science Fiction |

Showing Free eBook 1-30 of 277
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Past the Edge: and Other Stories

S. J. Honour

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Size: Unknown

Free from 24 January 2020

Science Fiction & Fantasy, Hard Science Fiction

SODIUM Harbinger: (Book 1)

Stephen Arseneault

In 1957, a group of wilderness adventurers are confronted with the unexpected. They are forced to defend themselves against an unworldly enemy. Will man's first encounter with aliens force them to run or will they stand and fight? Follow along in this first thriller in the SODIUM series as...

Size: 248 pages

Rating: 3.80 / 5
4 reviews

Free from 24 January 2020

Science Fiction & Fantasy, Fantasy, Fiction, Action & Adventure, Science Fiction, Adventure, Superhero, Alien Invasion, Colonisation, Cyberpunk, First Contact, Galactic Empire, Genetic Engineering, Hard Science Fiction, Military, Post-Apocalyptic, Space Exploration, Teen & Young Adult

Testament: The books of Genaro

C.A. Hill

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Size: 375 pages

Free from 24 January 2020

Science Fiction & Fantasy, Hard Science Fiction

Architects of a Dying World

Otto Karasvirta

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Size: 334 pages

Free from 24 January 2020

Science Fiction & Fantasy, Hard Science Fiction

500 Writing Prompts: A Self-Exploration & Self-Help Journal

Kean Hong Publishing

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Size: 450 pages

Free from 24 January 2020

Science & Maths, Behavioural Sciences, Science Fiction & Fantasy, Hard Science Fiction

Any You

William Bowden

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Size: 214 pages

Rating: 4.50 / 5
5 reviews

Free from 24 January 2020

Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Metaphysical & Visionary

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The Switch

John Sullins

A businessman was attending a company wide meeting in Chicago when all power fails. Cars and trucks stop, planes fall from the sky, and cell phones fail.Everything that has anything to do with the movement of electrons is useless. Not knowing the cause of the failure or how long it will la...

Size: 177 pages

Rating: 3.40 / 5
3 reviews

Free from 24 January 2020

Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction, Post-Apocalyptic, Teen & Young Adult

The Silent World: Volume I of the Goddess of Creation Trilogy

Edward Flynn

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Size: 321 pages

Free from 24 January 2020

Science Fiction & Fantasy, Hard Science Fiction

The Two Trees (Nerdology Wolf Book 1)

Andreas Boe

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Size: 87 pages

Free from 24 January 2020

Science Fiction & Fantasy, Hard Science Fiction

Fairwind's Fortune

Kris Schnee

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Size: 111 pages

Rating: 5.00 / 5
1 review

Free from 23 January 2020

Science Fiction & Fantasy, Science Fiction, Hard Science Fiction

238 Things to Write About: Narrative and Personal Writing

Kean Hong Publishing

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Size: 189 pages

Free from 23 January 2020

Politics & Social Sciences, Science Fiction & Fantasy, Hard Science Fiction

Destiny Lost: A Military Science Fiction Space Opera Epic (Aeon 14: The Orion War Book 1)

M. D. Cooper

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Size: 397 pages

Rating: 4.50 / 5
5 reviews

Free from 23 January 2020

Science Fiction & Fantasy, Science Fiction, Colonisation, Cyberpunk, Hard Science Fiction, Military

After/Effects (A Day Out of Time Book 2)

Kelsey Clifton

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Size: 320 pages

Rating: 5.00 / 5
1 review

Free from 23 January 2020

Science Fiction & Fantasy, Science Fiction, Hard Science Fiction

EPIDEMIC (NEVER SAY THE TRUTH Book 1)

Salinas Segura, Luis Alberto

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Size: 57 pages

Free from 23 January 2020

Science Fiction & Fantasy, Hard Science Fiction

The Zeta Grey War Box Set: (A Science Fiction Thriller)

D F Capps

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Size: 933 pages

Free from 23 January 2020

Science Fiction & Fantasy, Science Fiction, Colonisation, Hard Science Fiction

Waking Iceman

C R Wahl

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Size: 496 pages

Rating: 5.00 / 5
5 reviews

Free from 23 January 2020

Science Fiction & Fantasy, Hard Science Fiction

Fox Theory: A search for the origin

William Topchiev

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Size: 209 pages

Rating: 5.00 / 5
3 reviews

Free from 23 January 2020

Science Fiction & Fantasy, Science Fiction, Dystopian, Hard Science Fiction

Mind Games

William Mitchell

Jack Reiner has dealt with some messed-up people in his time. As a psychologist working for the US Military he's encountered PTSD, behavioural instability, the works. His latest patient though promises to be his hardest: humanity's first extraterrestrial contact, a sentient space probe mil...

Size: 52 pages

Rating: 4.00 / 5
1 review

Free from 22 January 2020

Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction, Space Exploration

The Veil

William Bowden

We are not alone in the Universe, and now the age of innocence is over, the time of the Veil upon us - for we have, thus far, survived.

Industrialization, war, technological advancement. It is a common transitional period. A species that destroys itself during the process is n...

Size: 181 pages

Rating: 4.30 / 5
4 reviews

Free from 22 January 2020

Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, First Contact, Hard Science Fiction, Space Exploration

Hayden's World: Volume 1 (Hayden's World Collection)

S.D. Falchetti

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Size: 274 pages

Rating: 4.40 / 5
4 reviews

Free from 22 January 2020

Science Fiction & Fantasy, Science Fiction, Anthologies & Short Stories, Hard Science Fiction, Military, Space Exploration

Death of World City (The Architects Series Book 2)

Walt Christmas

A huge enclosed city on a world called Adamene is undergoing a massive attack by trillions of energy starved, shape changing constructs, called Rogues. Within days, the city's power will be drained and the city destroyed—along with its one hundred million human residents—unless Scott M...

Size: 121 pages

Free from 22 January 2020

Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, Hard Science Fiction

Dream On - A Virtual Reality novel

Jackson V.

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Size: 2410 pages

Free from 21 January 2020

Science Fiction & Fantasy, Hard Science Fiction

The Transmuter's Daughter

Laurence Dahners

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Size: 281 pages

Rating: 4.00 / 5
10 reviews

Free from 21 January 2020

Science Fiction & Fantasy, Hard Science Fiction

Degrees Book 1: Saving The Earth

Devon G. Crowe

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Size: 270 pages

Free from 21 January 2020

Fiction, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction

Cognition Chronicles: The Redstone Legacy

J.R. Bale

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Size: 197 pages

Free from 21 January 2020

Crime, Thriller & Mystery, Thrillers, Science Fiction & Fantasy, Science Fiction, Hard Science Fiction

The Zeta Grey War: The Draco (A Science Fiction Thriller)

D F Capps

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Size: 289 pages

Free from 21 January 2020

Science Fiction & Fantasy, First Contact, Hard Science Fiction

Astrum Vermis

John Peaseland

Frank exists in the less than caring Olympus Retirement Care Home for the Elderly and Infirm. Daily tormented by Kevin his one to one helper, he is often left in his wheelchair to fend for himself in the back garden plagued by a mist of biting midges. Without family or friends he prays eve...

Size: 274 pages

Rating: 4.30 / 5
4 reviews

Free from 21 January 2020

Fiction, Action & Adventure, Science Fiction & Fantasy, Science Fiction, Adventure, Hard Science Fiction, Teen & Young Adult

Koinobi: Book one of the Koinobi Trilogy

Reid Minnich

How far would you go to help a parasitic insect from the stars?Tweeskzaht nudges human civilization and technology forward from the shadows. Unaware of the war in the stars above it, Earth is in the cross-hairs of both sides. To save her adopted home, she must reveal herself to a small ban...

Size: 207 pages

Rating: 4.00 / 5
2 reviews

Free from 21 January 2020

Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction

Any Now

William Bowden

Physicist Rhoda Mollo has been consigned to the fringes of what can just about be called respectable science, but even there her work is seen as more heretical than theoretical.

But strange results from the world’s largest atom smasher threaten to put her center stage, and ...

Size: 179 pages

Rating: 3.20 / 5
3 reviews

Free from 21 January 2020

Crime, Thriller & Mystery, Thrillers, Fiction, Science Fiction & Fantasy, Science Fiction, First Contact, Hard Science Fiction, Metaphysical & Visionary

Dekker's Dozen: Weeds of Eden (Dekker's Dozen (The Armageddon Seed Cycle) Book 1)

Christopher D. Schmitz

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Size: 79 pages

Rating: 4.50 / 5
5 reviews

Free from 21 January 2020

Science Fiction & Fantasy, Science Fiction, Cyberpunk, Hard Science Fiction, Space Opera, Steampunk

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