Top Free Science Fiction Kindle Books

Whether you enjoy futuristic, dystopian, apocalyptic, space opera, or other sci-fi delights, you’ll find great books among our top 200 free Kindle science fiction books.

Emergence

Free
Science Fiction, Action
4.0★ 1000+ ratings

Aliens have invaded the Milky Way. Captain Martin and his fleet at the opposite end of our galaxy are all that stand between the emerging ancient aliens and certain destruction of humanity.

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Galaxies Lost – Episode One

Free
Science Fiction, Adventure
4.3★ 50+ ratings

Jodi is the greatest traitor the Coalition has seen – at least that’s the theory. Rotting for two years in jail, she’s dreamed of saving the galaxy. But she’s forgotten that redemption isn’t easy.

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HADRON Dark Matter

Free
Science Fiction, Action
4.2★ 2500+ ratings

When scientists at the Large Hadron Collider discover dark matter, celebration quickly turns to catastrophe. Lights go out. Networks are gone. Civilization collapses in an instant.

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Legacy

Free
Science Fiction, Teen
4.2★ 300+ ratings

Willow Oak Watson is locked inside an experimental world. Fillion Nichols has never met the girl who haunts his dreams. A chilling secret forever binds their lives together.


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Resistance

Free
Science Fiction, Action
4.1★ 100+ ratings

Her remote forest community isn’t safe anymore. Driving damaged roads to a city she hasn’t seen for six years, Jac uncovers disturbing truths about those controlling their lives


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Al Clark

Free
Science Fiction, Adventure
4.3★ 2500+ ratings

Al Clark is on a quest that will take him places he could not have imagined, manage feats he would not have thought possible, and teach him the true meaning of friendship.


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Christmas Presence

Free
Science Fiction, Teen, Holiday
4.7★ 30+ ratings

From droids in Santa suits to gingerbread rebels with attitude, Van and his crush Charli are stuck in a war between myth and madness after they were dragged into a virtual game that contained a whole world.

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Surviving The Evacuation: London

Free
Science Fiction, Suspense
4.2★ 10000+ ratings

On his journey out into the wasteland that once was England, Bill will ultimately discover the horrific truth about the outbreak and a decades old conspiracy.


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Lowan’s Checkmate

Free
Science Fiction, Mystery
4.6★ 30+ ratings

A single shot echoes through a locked hotel room, and a fortune in diamonds is missing. Stymied, the authorities call Lowan, a telepathic alien working as a private detective in the 1930s.


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Forgotten

Free
Science Fiction, Supernatural
4.3★ 1000+ ratings

While struggling to regain her memory, Lena explores her extrasensory powers. As she tries to figure out who and what she is, she makes a frightening discovery.


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Didi and the Gunslinger

Free
Science Fiction, Adventure
4.2★ 40+ ratings

With the company of her cyborg crow, Pip, Didi is happy to scour her territory for treasures discarded as trash. But when an evil Underlord kidnaps her father, Didi can no longer hide in her garbage.


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The Running Game

Free
Science Fiction, Adventure
4.2★ 400+ ratings

War-torn London sets the stage for Rachel, a doctor with hidden telekinetic powers. With the help of dangerous and dubious allies, can she turn the game around and save herself?

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The Joint of No Return

Free
Science Fiction, Humor
4.0★ 100+ ratings

Charlie Hong is on the run and cooking up a harebrained scheme to escape his troubles: a clandestine marijuana operation. When aliens steal his cash crop, he finds himself in a cosmic struggle.

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War Without End

Free
Science Fiction, Action
4.2★ 500+ ratings

The Terran Empire, the greatest empire in the history of humanity, is crumbling. Throughout the galaxy, planetary systems seek independence and freedom. What price will Danny pay for freedom?


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Mind Machines

Free
Science Fiction
4.2★ 1000+ ratings

Plunged into a criminal underworld darker than anything he could’ve imagined, more-than-human Mike’s life-saving brainocytes might be the death of him.

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Transient

Free
Science Fiction
4.0★ 750+ ratings

In a dark and distant future, death is obsolete. But the fates of billions hang in the balance. When the axe falls, Jonas must choose between his family and his species.


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