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

Far-called
Price: $1.99 USD. Words: 75,120. Language: English. Published: December 23, 2011. Categories: Fiction » Science fiction » Hard sci-fi
(5.00 from 4 reviews)
As many cool ideas per page as possible. Indiana Jones on Mars! This book is half science and half fiction. It describes what life might be like in the 35th Century.
Ripples in an Emerald Sea
Price: $3.50 USD. Words: 236,310. Language: British English. Published: December 28, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » General
(5.00 from 6 reviews)
Lya arrives on Ilendum for her first posting. She's greeted by secessionist violence and an Alliance Military command in a deplorable state. Burdened with injury and clandestine orders, Lya soon finds that the situation is worse than Sector HQ anticipated. The Alliance is being tarnished, a people exterminated and the dream of utopia imperilled. Can Lya survive and save the Alliance?
Eternity's End
Series: Star Rigger Universe. Price: $5.99 USD. Words: 212,280. Language: English. Published: December 10, 2010. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
(4.50 from 4 reviews)
Star pilot Renwald Legroeder undertakes a search for the legendary ghost ship Impris and her passengers and crew—whose fate is entwined with interstellar piracy, quantum defects in space-time, galactic coverup conspiracies, and deep-cyber romance. Nominated for the Nebula Award—a novel of the Star Rigger Universe, from the author of The Chaos Chronicles.
Anchors No More
Price: $2.99 USD. Words: 53,360. Language: English. Published: April 9, 2015. Categories: Fiction » Science fiction » High tech, Fiction » Science fiction » Hard sci-fi
(5.00 from 3 reviews)
Doctors Holly Marshal and Gary Neff have discovered the secrets of time travel. The first practical test of their theory finds them locked in an entirely different race against time as the military and its corporate investors want what they have.
Zombie Leza
Price: $4.99 USD. Words: 55,950. Language: American English. Published: June 22, 2017. Categories: Fiction » Science fiction » Apocalyptic, Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
Leza's an unusual young woman. She lives with Zombies, protecting and caring for them. In an apocalyptic wasteland, where the living are few, she represents a unique hybrid, a human accepted by zombies. She speaks with the undead, and can teach the living how to survive. If they can only keep from killing her, that is.
Bioterror! (an Ell Donsaii story #14)
Series: The Ell Donsaii stories. Price: $3.99 USD. Words: 83,080. Language: English. Published: October 11, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
(5.00 from 1 review)
In “Bioterror,” Ell’s son Zage, a five-year-old prodigy, is developing an algorithm to eradicate what he perceives to be an obesity epidemic partially driven by communicable viral diseases. Unfortunately, a virologist gets access to a smallpox culture and modifies the horrific disease into an even more lethal version. But there’s no reason Zage's new algorithm can’t also stop smallpox!
Tinker's Sea
Series: Tinker books. Price: $2.99 USD. Words: 111,140. Language: Canadian English. Published: July 30, 2016 by Brain Lag. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
(5.00 from 1 review)
Novo Gaia's tinkers take to the open waters of the Great Lakes in Tinker's Sea! When an aquatic tinker rescues a boy from a sinking ship, Novo Gaia might finally have the information it needs to end the threat of a pirate marauding the lakes in a nuclear-powered submarine. But with backing from a political rival, Packer won't go down easily.
Impact! (an Ell Donsaii Story #12)
Series: The Ell Donsaii stories, Book 12. Price: $3.99 USD. Words: 69,010. Language: English. Published: November 8, 2014. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
(5.00 from 1 review)
“Impact" is the twelfth book in a series of near future SciFi/Thrillers whose heroine Ell Donsaii has a nerve mutation that makes her a genius and provides her some astonishing athletic abilities. In “Impact,” Ell’s been taken off the “Most Wanted” list and is resuming somewhat of a normal life.Then an enormous comet crashes into Tau Ceti three, threatening the lives of her friends the teecees.
Disc (a sequel to Vaz and Tiona)
Series: Vaz, Book 3. Price: $3.99 USD. Words: 83,670. Language: English. Published: September 5, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Thriller & suspense » Action & suspense
(5.00 from 1 review)
“Disc” picks up right after Vaz and Tiona’s invention of an apparently reactionless drive in “Tiona.” Tiona and her brother Dante want to license the rights to the new thrusters. Vaz, their scientifically brilliant but socially inept father has no interest in such a project. North Korea wants the tech though, so they kidnap Vaz and Tiona. Big mistake on their part!
Tiona (a sequel to Vaz)
Series: Vaz, Book 2. Price: $3.99 USD. Words: 92,660. Language: English. Published: April 15, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
(5.00 from 1 review)
“Tiona” picks up six years after the end of Vaz. Tiona, Vaz’s daughter, is starting grad school in physics, but her experiments are plagued by bizarre movements in the membranes she's studying. When she mentions the movements to Vaz, typical for his odd autism-spectrum personality, he intensely focuses on the movements. Soon he has determined that her “problem” represents a physics breakthrough!
Metallicity: Book 2 of the Eichi Testaments
Price: $3.99 USD. Words: 113,440. Language: English. Published: February 12, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Military
(5.00 from 1 review)
Rebellion! Up against the might of the Third Empire, things look dire for the rebels on Demeter. How do you fight when your planet is so metal-poor that bullets are a luxury? Paul Guthrie, a disgraced ex-Missionary, is caught in the middle. He must gain the rebels' trust, defeat the Imperial berserkers, and discover the real reason behind the Imperial invasion, all before the rains cease.
Invaders (a sequel to Vaz, Tiona and Disc )
Series: Vaz, Book 4. Price: $3.99 USD. Words: 101,400. Language: English. Published: September 18, 2016. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
(5.00 from 1 review)
“Invaders” is about events that occur several years after those in the novel “Disc.” GSI (Gettnor Space Industries) is beginning to investigate our solar system and mine the asteroids. Aircraft and automobile companies are beginning to switch over to thrusters. New uses for thrusters are popping up in the healthcare and sports industries. However, an invasion is coming from Epsilon Eridani!
Fox Hunt
Series: Fox Meridian · Fox Meridian Universe. Price: $2.99 USD. Words: 75,980. Language: English. Published: September 8, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Mystery & detective » Police Procedural
(5.00 from 1 review)
Death in 2060 is much like death has always been, and cops like Fox Meridian are still there to uncover the truth. When a murder mystery writer dies in her apartment block, Fox is pulled into a fight to the death as the body count grows.
Not Without Honor: The MacCollie Series, Book One
Price: $2.99 USD. Words: 91,070. Language: English. Published: December 27, 2015. Categories: Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
MacCollie scout Naomi Bricklin didn't expect to have her unarmed star ship blasted out of space. When she takes the single lifeboat and then survives a crash landing on a planet she'd been sent to survey, the last thing she expects is to encounter inhabitants that look like her and speak her language.
Breaking the Trust: The MacCollie Series, Book Two
Price: $2.99 USD. Words: 98,380. Language: English. Published: December 27, 2015. Categories: Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
Mostly satisfied with running his retirement business as a hunting guide in the high, snowy mountains of Reno Bright—a planet well off the main roads of commerce in the Fellowship of Humanity—Rennie Mikovich isn't looking for a job. But when a mysterious stranger offers him a berth as astrogator on a mission to a distant and unknown star system, Rennie signs on.
The Origin of F.O.R.C.E. The Federal Organization for Response to Celestial Enemies
Price: $2.99 USD. Words: 105,470. Language: English. Published: June 24, 2015. Categories: Fiction » Science fiction » Adventure, Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
A young alien boy abandoned on the strange planet Earth grows to become one of Earth’s greatest assets – and her greatest ally. Earth will need him because the Chrysallamans are angry at the impudent humans, and they're coming back!
Victory Or Extinction - USA Edition - Book Three of The Rational Future Trilogy
Price: $2.99 USD. Words: 264,450. Language: English. Published: December 24, 2014. Categories: Fiction » Science fiction » Adventure, Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
The epic conclusion to The Rational Future Trilogy. Tika and her crew lead the UN military in interplanetary warfare, with the survival of humanity on the line! This edition uses American Imperial (Standard) measurement units. It is also available in a Metric (SI) edition.
Dementional
Price: $4.99 USD. Words: 47,600. Language: English. Published: August 24, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Romance » Sci-fi
(5.00 from 1 review)
Mark Inman has two loves: particle physics and Sarah. She agrees to become his wife at the same time his experiment to find the Higgs boson goes off the rails.
Defiant (An Ell Donsaii story #9)
Series: The Ell Donsaii stories, Book 9. Price: $3.99 USD. Words: 71,440. Language: English. Published: November 23, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
(5.00 from 1 review)
“Defiant" is the ninth in a series of near future SciFi/Thrillers whose young heroine Ell Donsaii has a nerve mutation. This mutation has made her a genius as well as an athletic phenomenon. In “Defiant,” political and economic disturbances from Ell's new technology bring Edith Stockton to Presidential power, a woman who despises Ell. Stockton demands Ell turn her tech over to the government.
Lovecraft, My Love
Price: $4.99 USD. Words: 107,970. Language: English. Published: June 12, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Fantasy » Short stories
(5.00 from 1 review)
A book filled with dreams and obsessions. From Avalon to Hy Brasil, or travelling light minutes across an endless discworld. Race across silicon highways in a microbe sized car. Stop Lovecraft before he wakes the Old Ones in their sunken cities. Climb the Tower of Babel and become the world's most renowned mountaineer.

Related Categories