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 100 free Kindle science fiction books.

Releasing Rage

Free
Science Fiction, Steamy Romance
4.3★ 2500+ ratings

Half Man. Half Machine. All Hers. When Joan survives the unthinkable, Rage’s priorities are tested. Is there enough room in this cyborg’s heart for both love and revenge?

Amazon

Earth’s Angels

Free
Science Fiction, Suspense
4.0★ 100+ ratings

Melanie had everything. A loving husband and kids. A good life. Then the Earth died. Now she yearns to join the battle over Earth, but will mean putting her family at risk.


Amazon

Steamborn Box Set

Free
Science Fiction, Collection
4.5★ 500+ ratings

Jacob has yet to meet a gadget he couldn’t fix or an adventure he could resist. When a plague of terrifying creatures descends upon the town, Jacob and his friend have no choice but to run for their lives.


Amazon

Wings of Steele – Destination Unknown

Free
Science Fiction, Action
4.4★ 1000+ ratings

Life as Jack Steele knows it, is about to radically change. Accompanied by his German Shepherd, Steele experiences an abrupt and violent detour into frenzied chaos.

Amazon

Arch Allies

Free
Science Fiction, Adventure
4.4★ 500+ ratings

Experience has taught Natasha Orlov one thing —the universe will kick you when you’re down. So when she stumbles onto a starship buried in a sea of sand, she kicks right back.


Amazon

Chasm Waxing

Free
Science Fiction
3.9★ 40+ ratings

Becca and Josh work for companies from the NSA’s venture capital and startup accelerator firm. But the Director executes a personal vendetta against ISIS behind the scenes.


Amazon

Stars & Ashes

Free
Science Fiction, Action
4.3★ 75+ ratings

When invading forces annex Emankora, Kia’s family is murdered and she is sentenced to slavery in the mines. Kia will unfalteringly pursue her goal of assassinating the Heir.

Amazon

Lost

Free
Science Fiction, Adventure
4.2★ 150+ ratings

As Sadie begins to uncover the secrets of her past, her rare latent Talent is exposed and she finds herself on the run. Her choice: hide and stay lost, or fight.

Amazon

Millennium Crash

Free
Science Fiction, Suspense
4.1★ 300+ ratings

Samantha finds her team leader just in time to witness one of her colleagues kill him—and she’s the only person in a position to bring the murderer to justice.


Amazon

The 18th Shadow

Free
Science Fiction, Action
4.2★ 200+ ratings

The 18th Shadow is a dystopian story that takes place in the year 2082, in which America is not what it is today and most of its citizens live with a nano computer consensually embedded in their skull.

Amazon

Children of Apis: Rebel Blood

Free
Science Fiction, Thriller
4.3★ 75+ ratings

Rebel Blood is the first book in the Children of Apis series. The book’s goal is to create a unique blend of the post-apocalyptic and dystopian genres.

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Sonorous

Free
Science Fiction, Novella
3.8★ 30+ ratings

Why did we let machines assimilate our musical culture? Sonorous is a cyberpunk journey into the fight for musical identity.

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The Aliomenti Saga: Books 1-3

Free
Science Fiction, Collection
4.2★ 5000+ ratings

These books chronicle the rise and proliferation of a secret group of supernaturally gifted men and women through the life of their most dynamic member, Will Stark.


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Resurrection

Free
Horror, Science Fiction
4.2★ 1500+ ratings

Annie Starling discovers a terrifying secret after the most virulent virus the world has ever known has stripped its victims of every last thing that makes them human.


Amazon

Future City Blues

Free
Science Fiction, Collection
3.9★ 100+ ratings

Genehunter. Assassin. Private eye. Three Stories from Three Different Futures. A dark and gritty tech noir collection.

Amazon

The Enemy of an Enemy

Free
Science Fiction, Action
4.1★ 2000+ ratings

A new enemy has come to the Empire bringing with it dark powers that were abandoned long before the Empire was born.

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