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.

Taken

Free
Science Fiction, Romance
4.2★ 500+ ratings

Respect the alien, fear his daughter… Between dodging her claws and avoiding cultural taboos, Viktor has to show the Lyrissians that joining the Alliance is the best choice.

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Death’s Door

Free
Science Fiction, Historical
4.5★ 1000+ ratings

In the fall of 1849, Edgar Allan Poe disappeared. He was missing for five days and was then found wandering near Gunnar’s Hall in Baltimore. Poe eventually stumbled into the 21st Century.

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Before the Cure

Free
Horror, Science Fiction
4.2★ 250+ ratings

In Neil’s mind it started with the man in the park. Or, more specifically, with the vicious bite the man had given Neil. He was wrong about that. The December Plague had started weeks earlier, though no one knew it.

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Harry Watt, Bounty Hunter

Free
Science Fiction, Humor
4.0★ 400+ ratings

Harry Watt is a bounty hunter who discovers something stinks about his latest case. And getting framed for murder doesn’t help. As the case unravels, Harry must call on all his skills to crack the secret of Mars.

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Lucifer’s Odyssey

Free
Epic Fantasy, Supernatural
4.0★ 150+ ratings

Imagine a war between angels and demons that extends across our universe. Now, think bigger. That’s Lucifer’s Odyssey.

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Firmament: Radialloy

Free
Science Fiction, Adventure
4.3★ 100+ ratings

The year is 2320. Two factions are desperate for a valuable secret. Andi Lloyd must race to help her father and herself before time runs out.

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Anti Life

Free
Science Fiction, Adventure
4.0★ 750+ ratings

Space-based corporate settlements have replaced the State and Colonel John Alvarez, a fifteen-year veteran, is unwilling to waste more years leading missions into deep space.

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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.


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Steamborn

Free
Science Fiction, Teen
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.


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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.

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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.


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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.


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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.

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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.

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Surviving The Evacuation: Family

Free
Science Fiction, Suspense
4.4★ 5000+ ratings

Three months after escaping from London, Bill discovers the extent of the global war that followed the outbreak. As he finds the truth, he’ll have to choose between families.


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