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 » Hard sci-fi

The Assassin Gene
Series: Quick read. Price: $2.99 USD. Words: 16,660. Language: American English. Published: December 11, 2018. Categories: Fiction » Science fiction » Hard sci-fi
Don't mess with Mother Nature. Mother Nature does not relent easily.
What The Sun Sees
Price: $2.99 USD. Words: 4,780. Language: American English. Published: November 29, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
Dive into the world of Queenships, where a single big risk can change the universe. Crane is a small power on a big stage with one critical asset: Central Warp Station. For a price, any family can warp to well-known star systems at the heart of the galaxy to harvest the hydrogen their Queenships need to fly. File this mission under SNAFU.
The Chronicles of the Yakki Double Planet: A Human Translation
Price: $1.99 USD. Words: 5,160. Language: English. Published: November 28, 2018. Categories: Fiction » Science fiction » Hard sci-fi
This is a hard science fiction novel with innumerable details similar to Avatar. It tells the story of an epic tribal war that occurred in the end of primitive society of the Yakki double planet.
The Frankenstine Factor
Series: Quick read. Price: $1.99 USD. Words: 19,590. Language: American English. Published: November 17, 2018. Categories: Fiction » Science fiction » Hard sci-fi
A strange scientist creates an intelligent life form in a laboratory, but the scientist is not who he masquerades as, and his life form is not benign. With time running out, the people of Earth fight an impossible battle for existence.
O despertar: A saga de Sedrez
Series: A Saga de Sedrez. Price: Free! Words: 123,370. Language: Portuguese. Published: November 13, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
O conhecimento sobre um misterioso projeto da SCOPE, uma corporação de inteligência ultrassecreta, sobre artefatos construídos por uma inteligência superior a raça humana está correndo risco de vir à tona. A saga do jovem Ulric Sedrez começa quando ele é envolvido numa trama internacional atrás de um código que julgam ele possuir, desenvolvendo cada vez mais rápido, dons paranormais.
Teddyhunter:Baby Blues Sam
Series: teddyhunter. Price: Free! Words: 11,550. Language: English. Published: November 12, 2018. Categories: Fiction » Science fiction » Hard sci-fi
A chapter or two from vol 7 of Teddyhunter: the start The kittens are coming home. Deep in the underground lair of Henry's weapon's lab; Princess watch-cat is having kittens
Blues Book One - The Crystal Hill Incident
Price: $2.99 USD. Words: 39,810. Language: English. Published: November 5, 2018. Categories: Fiction » Science fiction » Hard sci-fi
BLUES SERIES- The Crystal Hill Incident is the first in a series. A US Army Lt. Coronal Mac must recover dangerous Blue Alien survivors of a crash and build a secret base to house and protect them. Once the base is built he falls in love with a NASA engineer. A second Alien craft arrives and levels the base and kills the engineer. Mac loses it and is carried off by a fleet of gunships.
God's Rogue
Price: Free! Words: 71,390. Language: English. Published: November 5, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Adventure
Kaden Hunt has been fighting a hidden war for humanity. A war that changed for Kaden and humanity, one night when his oldest friend tried to kill him. Now Kaden, the most powerful human in existence has drawn the complete focus and wrath of Enki and Shamash, the two warring leaders of the Annunaki; the aliens who created humanity to be slaves.
Beautiful Beautiful
Price: Free! Words: 62,620. Language: English. Published: November 2, 2018. Categories: Fiction » Science fiction » Hard sci-fi
'Beautiful Beautiful' is the sequel to 'Brothers By Numbers' and you better be prepared to dream deep for this one! In 'Beautiful Beautiful' Mark and his small crew are now aboard the fastest, deep space, science ship ever made: the Nina, - and they are taking it to where no man has ever been.
Trigger, A The Earthside Trilogy Novel
Price: $1.99 USD. Words: 45,710. Language: English. Published: October 25, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Utopias & dystopias
Ayanna died and went to Heaven – or so she’s been told. Perhaps she did, if she can dismiss the inconsistencies between her expectations, and this imperfect utopia. Is this life after death , or something else?
Time Chronicles
Price: $2.99 USD. Words: 129,220. Language: English. Published: October 22, 2018. Categories: Fiction » Science fiction » Adventure, Fiction » Science fiction » Hard sci-fi
Fly with the Aevus as the crew from Earth discover their own ship at Gliese 667.
Napoleon: A Horror Novel
Price: $2.99 USD. Words: 20,370. Language: English. Published: October 19, 2018. Categories: Fiction » Horror » Weird fiction, Fiction » Science fiction » Hard sci-fi
A tale of prehistoric terror from the best-selling author of the Flashback Saga and the Ferryman Pentalogy.
Tiene
Price: $0.99 USD. Words: 11,890. Language: English. Published: October 11, 2018. Categories: Fiction » Fantasy » Contemporary, Fiction » Science fiction » Hard sci-fi
Tiene is introduced in this novella. He is the superhero of the kingdom of Moda, a descent of the Sun God.
De Vermelho E De Cinza
Series: O futuro como você nunca imaginou. Price: $2.47 USD. Words: 108,140. Language: Portuguese. Published: October 8, 2018. Categories: Fiction » Science fiction » Hard sci-fi
A religião cinzenta espalha-se cada vez mais rápido pelo mundo. E no Brasil, Gloria está para descobrir que São Paulo é uma cidade feita de várias cidades. Uma dessas cidades é feita de iluminattis, clãs, honra, espadas e samurais.O mundo está se tornando cada vez mais cinza, mas talvez, no grande tabuleiro de forças, Gloria pode se tornar o peão vermelho que irá decidir o grande jogo.
Time Abberation
Price: $2.75 USD. Words: 26,420. Language: English. Published: October 7, 2018. Categories: Fiction » Science fiction » Hard sci-fi
This is the story of Jeff, a young intelligent boy, who has all the happiness in his life. A beautiful girl, Jessica who loved him like a million stars in the sky. His father who works at a cybertech is a renowned scientist. College hood, where everyone admires him and glorified with his intelligence. He has a perfect life and yet, he wants to kill himself since he came to know the mysterious
Letters of the Lamb
Series: REAPERS OF THE DAMMNED, Short Story. You set the price! Words: 1,420. Language: American English. Published: October 7, 2018. Categories: Fiction » Science fiction » Hard sci-fi
A verbal trailer for an upcoming novel set in the Reapers of the Damned universe.
Viral
Series: Horizons parallèles, #06/52. Price: Free! Words: 3,670. Language: French. Published: October 6, 2018. Categories: Fiction » Science fiction » Short stories, Fiction » Science fiction » Hard sci-fi
Sans yeux, nous te voyons. Sans nez, nous te sentons. Sans bouche nous te dévorons.
The Twist of Fate
Price: $0.99 USD. Words: 12,640. Language: Australian English. Published: September 28, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
What caused the mysterious explosion which tore apart the research center and spread radioactive pollution over the city? It was Stephen Tang's job to find out. But what he discovered was even more terrifying than the original blast. Novelette, approx 12,500 words.
亚基双星纪略人类译本【Part I】
Price: $1.99 USD. Words: 330. Language: Chinese (simplified). Published: September 21, 2018. Categories: Fiction » Science fiction » Hard sci-fi
这是一部类似于阿凡达一般有着无数惊人细节的硬科幻小说,讲述的是双宜居行星文明在原始社会末期发生的史诗般部落战争的故事。
Rogue
Price: Free! Words: 1,880. Language: English. Published: September 9, 2018. Categories: Fiction » Science fiction » Short stories, Fiction » Science fiction » Hard sci-fi
When you've been on this job as long as I have, nothing surprises you anymore. Nothing, that is, until the day you find a little girl all alone in a ship full of dead bodies.

Related Categories