Welcome to Smashwords!

Check out our new interface for discovering great ebooks! Read the official announcement at the Smashwords Blog.

Please confirm your erotica preferences.

Learn more about erotica controls. You may change these settings at any time.

[Close]

Fiction » Science fiction

Sub-categories: Adventure | General | Short stories | Space opera | Apocalyptic | Utopias & dystopias | Military | Hard sci-fi | High tech | Steampunk & retropunk | Cyberpunk
Prototype D
Series: Prototype D Series. Price: Free! Words: 108,580. Language: English. Published: August 31, 2015. Categories: Fiction » Science fiction » Apocalyptic, Fiction » Science fiction » General
Des is the first robot created with a full range of human emotions. His reasoning skills and thought processes will make it so no human will ever have to step foot on the battlefield again. But when Des realizes his true purpose—to help destroy the Outlanders—he suspects that the real enemies might not be the people he was built to destroy, but those who created him.
Anti Life
Series: Anti Life, Book 1. Price: Free! Words: 52,610. Language: English. Published: June 18, 2018. Categories: Fiction » Science fiction » Space opera, Fiction » Science fiction » Adventure
The opposite of life isn't death; it's something far worse. Mission colonel John Alvarez must carry out one last mission, a rescue attempt. Unknown to Alvarez, however, is the hidden threat that awaits him, one that—if he cannot stop it—will doom humanity to a fate worse than death.
The Game
Price: Free! Words: 78,070. Language: English. Published: August 22, 2013. Categories: Fiction » Science fiction » Adventure
(4.78 from 9 reviews)
The Matrix/ Ender's Game meets The Hunger Games ... What if, instead of traditional schools, children learned by participating in a virtual reality simulation, one that allowed them to experience, "life" from birth to death - multiple times? What if one player, on his final play, could change the world forever...?
The Green Knight (Space Lore I)
Price: Free! Words: 93,150. Language: English. Published: January 9, 2017. Categories: Fiction » Fantasy » Epic, Fiction » Science fiction » Space opera
Two grisly acts, occurring in different parts of the galaxy, both lead to the same spot. What unfolds is the stuff of galactic legends.
Free-Wrench
Series: Free-Wrench, Book 1. Price: Free! Words: 62,290. Language: English. Published: July 16, 2014. Categories: Fiction » Science fiction » Steampunk & retropunk
(5.00 from 1 review)
Beyond the islands of Caldera the world is a vicious place. A terrible calamity has poisoned the land. Those too ruthless or stubborn to die have crafted steam-powered mechanical wonders and taken to the sky. Yet somewhere in that wretched land there is a cure for a dire disease. With the eccentric crew of an airship called The Wind Breaker, Nita Graus means to find that cure, whatever the price.
HADRON Dark Matter
Series: HADRON, Book 1. Price: Free! Words: 85,990. Language: English. Published: October 20, 2015. Categories: Fiction » Science fiction » Apocalyptic, Fiction » Science fiction » Space opera
In this first devastating book of the HADRON series, a small group of citizens take control of their own destinies when Earth's relatively tranquil existence is shattered by a new reality... our galaxy is a hostile, unforgiving place. Can we survive a collapsing civilization before our true enemies even arrive? Find out now by grabbing your free copy of HADRON Dark Matter today!
Ghosts of Tsavo
Series: Society for Paranormals, Book 1. Price: Free! Words: 56,550. Language: English. Published: February 14, 2015. Categories: Fiction » Mystery & detective » Cozy, Fiction » Science fiction » Steampunk & retropunk
(4.00 from 1 review)
Armed with Victorian etiquette and a dead husband, Beatrice Knight arrives in colonial Kenya desperate for a pot of tea. She’ll need more than that if she’s to unravel the mystery of the Ghosts of Tsavo without being eaten in the process. She must endure all manner of inconveniences while surviving the efforts of her safari guide to feed her to the lions. What is a ghost-chasing widow to do?
The Survivalist (Frontier Justice)
Price: Free! Words: 61,220. Language: English. Published: May 24, 2015. Categories: Fiction » Science fiction » Apocalyptic
To stay alive, Deputy Marshal Mason Raines must forage for food, water, and gasoline while outgunning those seeking to take advantage of the apocalyptic anarchy. In a world now populated by escaped convicts, paranoid mutants, and government hit squads, his only hope to save mankind's last survivors is to enforce his own brand of frontier justice.
Dating an Alien Pop Star
Series: The Alien Pop Star Series. Price: Free! Words: 77,940. Language: English. Published: June 7, 2016 by Clean Teen Publishing, Inc.. Categories: Fiction » Romance » Sci-fi, Fiction » Science fiction » General
(5.00 from 1 review)
Daisy Kirkwood has only just escaped her small-town life and run away to New York City, the land of last-minute secret gigs at famous musical venues, when she's kidnapped by aliens. Unfortunately, no one ever writes about how to handle alien abduction in NYC guidebooks. When her two supermassively sexy kidnappers ask Daisy for help, a bit of craziness and intergalactic sparks ensue.
Wolves of the Northern Rift
Series: Magic & Machinery Series. Price: Free! Words: 96,700. Language: English. Published: March 10, 2015 by Clean Teen Publishing, Inc.. Categories: Fiction » Science fiction » Steampunk & retropunk, Fiction » Science fiction » Adventure
Sherlock Holmes meets the world of magic! When magic invaded a world on the brink of its industrial revolution, the Inquisitors were formed to keep the magic at bay. Inquisitor Simon Whitlock is sent to the frozen tundra to investigate a report of werewolves. Though skeptical, he quickly learns that the werewolves aren’t the only magical threat to the kingdom.
Dark Thoughts
Series: Refuge. Price: Free! Words: 59,720. Language: English. Published: March 14, 2017. Categories: Fiction » Science fiction » Utopias & dystopias, Fiction » Romance » Sci-fi
Can love redeem a monster? The Refuge is home to the most violent beings in the universe. Kralj, its leader, reigns over the remote outpost with terrifying ease, ruthlessly squashing any rumors of rebellion, killing anyone who breaks his rules. Primitive, deadly, powerful, he’s a monster, scarred both on his face and his soul. He has never met a being he couldn’t control. Until he meets her
The Emperor's Edge
Series: The Emperor's Edge, Book 1. Price: Free! Words: 105,950. Language: English. Published: November 22, 2010. Categories: Fiction » Science fiction » Steampunk & retropunk, Fiction » Fantasy » Epic
(4.73 from 52 reviews)
Imperial law enforcer Amaranthe Lokdon is good at her job: she can deter thieves and pacify thugs, if not with a blade, then by toppling an eight-foot pile of coffee canisters onto their heads. But when ravaged bodies show up on the waterfront, an arson covers up human sacrifices, and a powerful business coalition plots to kill the emperor, she feels a tad overwhelmed....
Balanced on the Blade's Edge (Dragon Blood, Book 1)
Series: Dragon Blood, Book 1. Price: Free! Words: 75,320. Language: English. Published: March 28, 2014. Categories: Fiction » Science fiction » Steampunk & retropunk, Fiction » Romance » Fantasy
(4.70 from 10 reviews)
Sardelle Terushan wakes from three hundred years in a mage stasis shelter, only to realize that she is the last of the Referatu, the sorcerers who once helped protect Iskandia from conquerors. Their subterranean mountain community was blown up in a treacherous sneak attack by soldiers who feared their power. Everyone Sardelle ever knew is dead, and...
Panic (Wildfire Chronicles Vol. 1)
Series: Wildfire Chronicles, Book 1. Price: Free! Words: 58,610. Language: English. Published: August 30, 2013. Categories: Fiction » Horror » Undead, Fiction » Science fiction » Apocalyptic
(3.00 from 1 review)
Michael Evans is only in rural St. Davids to maintain a low profile after his time spent as a city cop ended in disaster. The town is perfect for him: isolated. A tiny population. Virtually no crime. But when the residents begin killing each other with their teeth, Michael quickly realises that what he thought was a crime scene is something far, far worse...
The Survivors
Series: Life After War, Book 1. Price: Free! Words: 449,510. Language: English. Published: February 28, 2012 by Cloud 9 Publications. Categories: Fiction » Science fiction » Apocalyptic, Fiction » Adventure » War & military adventure
(4.20 from 5 reviews)
The end of the world has given us a harsh, merciless existence, where nature tries hard to push humanity to the very brink of extinction. Everything is against us, between us. Untold miles of lawless, apocalyptic roads wait for our feet, and the future, cold and dark, offers little comfort. Without change, there can be no peace. Only survivors.
Wedding Bell Blues
Price: Free! Words: 30,500. Language: English. Published: January 27, 2019. Categories: Fiction » Science fiction » General, Fiction » Romance » General
Jim Nash has no plans to attend the wedding of former best friend Warren to Allie Sands, a girlfriend from his past. All that goes out the window when his current partner, Maddie Stone, sees the emails and convinces him otherwise. With the decision made for both of them, Jim and Maddie are waylaid in a small town on the way to the wedding for reasons unknown.
Fallen Star
Series: A Project Gauntlet Mission. Price: Free! Words: 83,290. Language: American English. Published: April 19, 2017. Categories: Fiction » Science fiction » Military, Fiction » Thriller & suspense » Supernatural
(5.00 from 1 review)
After an unidentified flying object goes down over Alaska, a newly formed team of military and civilian personnel are sent to investigate. Before long, things start to turn deadly as the search for the UFO becomes a race against time. Desperate to piece everything together, the team soon learns that not everyone is as they appear.
Releasing Rage
Series: Cyborg Sizzle. Price: Free! Words: 58,440. Language: English. Published: August 19, 2015. Categories: Fiction » Science fiction » Cyberpunk, Fiction » Romance » Sci-fi
(4.50 from 2 reviews)
Half Man. Half Machine. All Hers. Rage, the Humanoid Alliance’s most primitive cyborg, has two goals—kill all of the humans on his battle station and escape to the Homeland. The warrior has seen the darkness in others and in himself. He believes that’s all he’s been programmed to experience. Until he meets Joan.
The Phoenix Conspiracy
Series: The Phoenix Conspiracy, Book 1. Price: Free! Words: 121,180. Language: English. Published: May 12, 2011 by Richard Sanders. Categories: Fiction » Science fiction » Space opera
(4.64 from 14 reviews)
Calvin, an intelligence operative, is sent to eliminate a dangerous traitor. But as he chases his prey across the stars, he realizes they are both pawns in a shadowy chess game that threatens humankind everywhere. If he is to uncover the conspiracy he must confront, and embrace, the darkest elements of the galaxy. And throw himself, his career, and everyone he loves into the line of fire.
Gdy nadszedł koniec
Price: Free! Words: 5,340. Language: Polish. Published: April 3, 2017. Categories: Fiction » Science fiction » Apocalyptic
Gdy pojawia się zaraza, cywilizacja ulega rozpadowi, a jedynym prawem staje się pierwotna siła, przetrwanie zależy jedynie od kaprysu okrutnego losu. Jaki los czeka samotnego rekonwalescenta? Czy zdoła przeżyć? Czego zażąda świat, w zamian za życie?. Czy nasze człowieczeństwo, to jedynie fasada, która znika, gdy pojawia się godzina próby?