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.

Autumn: Dawn

Free
Science Fiction, Horror
4.3★ 300+ ratings

A group of survivors is trapped in the rotting heart of London, hopelessly outnumbered. There are rumors of a safe haven to the north, but they’ll going to need an army to get away from this place.


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The Book of Jared

Free
Science Fiction, Action
4.6★ 50+ ratings

As the Earth self-destructs, Jared’s only hope for survival is the Sanctuary, an underground city carved from the tunnels of Poland’s salt mines. But can he escape fellow survivors?


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Between Mountain and Sea

Free
Science Fiction, Adventure
4.4★ 1000+ ratings

A descendant of one of the Founding Families who left a dying Earth and now rule New Eden, Mei will discover secrets that will forever change her own destiny.


Amazon

Phantom Echo

Free
Thriller, Science Fiction
4.1★ 300+ ratings

Detective Nathan Miller suspects something sinister when the body of a college student is dumped in an alley far from campus. He’s forced to use allies who might be enemies.


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The Ancient Gate

Free
Science Fiction
4.0★ 50+ ratings

Desa and Anna must leave their comfortable lives to embark on a journey across dimensions where the two will face an enemy that threatens to destroy both of their worlds.


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Rescued by Qaiyaan

Free
Steamy Romance, Science Fiction
4.2★ 1000+ ratings

When a beautiful human female is rescued from cryogenic slumber, she awakens primal urges in Qaiyaan’s soul. He begins to suspect that Lisa carries a secret that could change the fate of his people forever.


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Dragon’s Covenant

Free
Science Fiction, Adventure
4.3★ 300+ ratings

The Warlord has always eluded him, so when Talon Rift learns that the Warlord might have help from inside the Alliance government, he vows that he will stop at nothing to bring them to justice.


Amazon

Sundown Apocalypse

Free
Science Fiction, Action
4.0★ 100+ ratings

The end of days is at hand. Terrorist organizations have taken out all superpowers, cleansing the planet of the ‘disease of civilization’. Small bands of survivors fight back in the only way they can.


Amazon

Peyton 313

Free
Science Fiction, Suspense
4.3★ 1000+ ratings

Her cybernetic studies in genetic engineering were supposed to make the world better and Dr. Kyra Winters certainly never meant for her work to be used for anything evil.

Amazon

Beyond the Grid

Free
Science Fiction, Suspense
4.1★ 500+ ratings

Years after saying goodbye to the city, an unfortunate incident takes Jacob and his family on a drive toward the city. As they inch closer, it becomes abundantly clear they’ve made the wrong decision.


Amazon

Oblivion’s Cloak

Free
Science Fiction, Action
4.2★ 100+ ratings

A shadowy new faction is looking for Earth’s last survivor. They are a mystery to everyone but Shaara. Hard as she’s tried to forget, she knows them all too well. Which means she’s the only one who can stop them.


Amazon

No Ordinary Star

Free
Science Fiction
4.0★ 400+ ratings

A girl, hunted for the crime of being born, almost dies out on the ice. Welcome to the chilling future of humanity. The world hasn’t known hunger or sickness in hundreds of years. It has also forgotten love and beauty.


Amazon

Grounded

Free
Science Fiction, Teen
4.3★ 1000+ ratings

When my father falls ill, the doctor says a hospital outside the wall can heal him. A friend convinces me to go on rumspringa, but adventure quickly turns to horror.


Amazon

Timepiece

Free
Science Fiction, Historical
4.0★ 200+ ratings

It’s 1815, and Wellington’s outnumbered army stares across the field of Waterloo at Napoleon’s forces. Desperate to hold until reinforcements arrive, Wellington calls upon a race of monsters to help.

Amazon

Right Through Me

Free
Romance, Science Fiction, Thriller
4.2★ 500+ ratings

Biotech tycoon Noah Gallagher is a super-soldier with abilities that go far beyond human. When a vicious enemy bent on the ultimate revenge puts his murderous plan into play, Noah and Caro must battle for their lives…and their love…


Amazon

Dusk of Humanity

Free
Science Fiction, Suspense
4.3★ 200+ ratings

Dr. Egan never thought life after the apocalypse would be so dull. Until the day she finds an infected man in her operating room with symptoms she’s never seen before. And it’s spreading.


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