Fiction » Science fiction » Hard sci-fi

The Chaos Chronicles (Books 1-3)
By Jeffrey A. Carver
Series: Chaos Chronicles. Price: $7.99 USD. Words: 320,020. Language: English. Published: December 16, 2010. Category: Fiction » Science fiction » Hard sci-fi
(3.00 from 3 reviews)
An omnibus of three novels: Neptune Crossing, Strange Attractors, and The Infinite Sea. When John Bandicut encounters alien sentience on Triton, his life changes forever—from sacrificing everything to save Earth, to confronting a malicious entity at the edge of the galaxy, to fathoming the abyss of an alien ocean. A major hard-SF adventure from the Nebula-nominated author of Eternity's End.
Lightning Fall: A Novel of Disaster
By Bill Quick
Price: $3.99 USD. Words: 192,420. Language: English. Published: March 25, 2014. Category: Fiction » Science fiction » Apocalyptic
Three terrorist attacks are launched from freighters against the United States. Only one fully succeeds, but in the blink of an eye all of America west of the Rocky Mountains is transformed into the technological equivalent of the 18th century.
The Battle for Europa
By David Donaghe
Price: $2.99 USD. Words: 113,240. Language: English. Published: March 2, 2013. Category: Fiction » Science fiction » Hard sci-fi
(3.00 from 1 review)
The Battle for Europa is a tale of revolution in the twenty third Century. Earth and colonies in the solar system are ruled by The Council of Economic Unions on Earth. The council rules with an iron fist. When Shawn Gallagher, an ice miner on Europa launches a miner's strike, it is a ruse for rebellion. The ice on the surface of Europa will turn red with blood in The Battle for Europa.
Exotic Contraband - Lost among the stars
By M.A. Harris
Price: $0.99 USD. Words: 132,950. Language: English. Published: June 5, 2012. Category: Fiction » Science fiction » Hard sci-fi
The Aliens are real and they're here. Unfortunately they aren't here for intellectual stimulation, they're here to make cold hard cash. And they aren't interested in letting the authorities, theirs or ours, in on their racket. This is the story of survivors lost in a universe that they hadn't imagined, and the story of their survival and return.
Purge of Prometheus (Brink of Distinction book #3)
By Jon Messenger
Series: Brink of Distinction, Book 3. Price: $3.99 USD. Words: 126,340. Language: English. Published: September 6, 2013 by Clean Teen Publishing. Category: Fiction » Science fiction » Military
One-by-one, the brilliant suns of Alliance space are disappearing, left cold and lifeless after exposure to the Terran biological epidemic. Trapped on one of the sunless worlds, Keryn Riddell, the ruthless Wyndgaart warrior, fights against both a frozen landscape and her Terran captors.
Sol In Extremis: The Complete Journey
By Nicholas Brakespear
Price: $5.99 USD. Words: 222,900. Language: British English. Published: March 27, 2014. Category: Fiction » Science fiction » Hard sci-fi
Earth is lost. Consumed by a blackness known only to legend. A thousand years have passed, and the remnants of humanity now sail a burning sea - a whirlpool of fire, an accretion disc, left in the wake of the Earth's demise. There, a young man's dreams of adventure shall be answered by a living nightmare, and fate will give and take far more than he could ever have imagined...
Fall of Icarus (Brink of Distinction book #2)
By Jon Messenger
Series: Brink of Distinction, Book 2. Price: $2.99 USD. Words: 126,370. Language: English. Published: September 6, 2013 by Clean Teen Publishing. Category: Fiction » Science fiction » Military
The Terran Empire has broken the Taisa Accord and invaded Alliance space in this exciting second novel in the Brink of Distinction series. Survivors of the Empire's first assault, Yen Xiao and Adam Decker swore vengeance against the Terrans. Joining forces with the enigmatic Keryn Riddell, the three warriors must find a way to destroy the Terran fleet.
The Essence of Humanity
By J.E. Ellis
Price: $5.99 USD. Words: 129,280. Language: English. Published: February 1, 2014. Category: Fiction » Science fiction » Hard sci-fi
A second-rate systems tech finds himself the unwilling savior of Earth against an imminent alien invasion.
Rome's Revolution
By Michael Brachman
Series: Rome's Revolution, Book 1. Price: $4.99 USD. Words: 167,440. Language: English. Published: December 14, 2012. Category: Fiction » Science fiction » Hard sci-fi
Rome's Revolution is an interstellar saga about a man from the 21st century and a woman from the 35th century who fight forces from the incomprehensibly large to the infinitesimally small, all intent on destroying mankind. It is a love story and a culture clash. If you are looking for some science in your science fiction, this book is for you.
The God Mars Book Three: The Devil You Are
By Michael Rizzo
Series: The God Mars, Book 3. Price: $3.99 USD. Words: 123,670. Language: English. Published: October 1, 2013. Category: Fiction » Science fiction » Utopias & dystopias
As the peoples of Mars find themselves caught in an escalating war between an oppressive Earth and an apparently invincible enemy who claims to be from an alternate future, Colonel Ram awakens to find that he has been remade into an immortal superhuman in order to try to save all that he holds dear. But those he would help are terrified of what he’s become. And he’s not the only one of his kind…
Galactic Alliance (Book 4) - Peacekeeper
By Doug Farren
Series: Galactic Alliance. Price: $4.99 USD. Words: 108,720. Language: American English. Published: October 19, 2013. Category: Fiction » Science fiction » Military
The Peacekeepers were the solution to a problem: How do you enforce the laws of a society made up of a dozen species spread out across hundreds of planets? Communications specialist Tom Wilks is about to find out just how demanding a Peacekeeper's life can be as he undertakes the journey to becoming one of them.