Fiction » Science fiction » Hard sci-fi

Star Trails Tetralogy Box Set
Series: Star Trails Tetralogy. Price: $5.99 USD. Words: 449,590. Language: English. Published: July 3, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
The Star Trails Tetralogy Box Set comprises the four novels in the series of that name: Beyond the Hidden Sky; A Dark of Endless Days; A Psilent Place Below; and Refractions of Frozen Time as well as The Star Trails Compendium which includes terms, definitions, detailed descriptions of the planet on which the story is set, and a discussion guide with lesson plan suggestions for science educators.
The God Mars Book Three: The Devil You Are
Series: The God Mars, Book 3. Price: $2.99 USD. Words: 123,690. Language: English. Published: October 1, 2013. Categories: Fiction » Science fiction » Utopias & dystopias, Fiction » Science fiction » Hard sci-fi
(5.00 from 3 reviews)
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…
Speaking With Your Demons
Series: Demonic Issues, Book 2. Price: $5.99 USD. Words: 120,730. Language: American English. Published: September 9, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Fantasy » General
Phil, who fought invisible beings and cured mental illnesses, was 'cured' of his ability by the medical establishment. Regaining his abilities, he's doubly cautious. To remain under the radar, he takes an unusual approach. Selecting a scarred vet and a young waif, he starts again, facing his greatest challenge when he faces betrayal, deception and open rebellion by those he chooses to work with.
Permutation City
Price: $2.99 USD. Words: 108,570. Language: English. Published: February 8, 2017. Categories: Fiction » Science fiction » Hard sci-fi
Paul Durham keeps making Copies of himself: software simulations of his own brain and body which can be run in virtual reality. Maria Deluca is addicted to the Autoverse: a virtual world that follows a simple set of rules as its “laws of physics”. Paul makes Maria a very strange offer: design a seed for an entire virtual biosphere — a feat far beyond the capacity of all the world’s computers.
Ecopunk!: Speculative Tales Of Radical Futures
Price: $4.99 USD. Words: 109,190. Language: English. Published: November 6, 2017 by Ticonderoga Publications. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Short stories
19 stories of meteorological, agricultural and biological technologies, alternative histories, arcologies and communes, beauty in flooded cities, innovations in cross-continental travel, animals on the verge of extinction, androids, reality tv, new food, environmental refugees, the divide between humans and animals, and friendship, family and love.
The Turing Exception
Series: Singularity. Price: $4.99 USD. Words: 78,650. Language: English. Published: March 10, 2015. Categories: Fiction » Science fiction » Cyberpunk, Fiction » Science fiction » Hard sci-fi
In the 2043, humans and AI coexist in a precarious balance of power. But in the grim aftermath of a runaway nanotech attack, a powerful underground collective known as XOR concludes AI can no longer coexist with humanity. Catherine Matthews and her allies, including an ancient AI long believed dead, must find a solution before XOR's planned extermination war.
Omnitempus / The Quenar Affair
Series: Troyuan Chronicles, 7. Price: $4.99 USD. Words: 158,160. Language: English. Published: October 8, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Young adult or teen » Thriller and Suspense
Who would have guessed the peace of an entire galactic Dominion would be shattered, like a pane of glass broken by a sudden malevolent blow. Without notice, a seething sickness, a creeping malignancy, struck at the very heart of the Innocent. Desperate populations wallowed in the ruins of their worst nightmares, and as for myself, I am caught in the center of this churning death!
The Infinite Sea
Series: The Chaos Chronicles, Book 3. Price: $4.99 USD. Words: 123,360. Language: English. Published: October 16, 2010. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
Flung to an alien ocean world, John Bandicut and his companions find themselves plunged into the deepsea realm of the Neri. What will they find in the Neri's failing undersea city, or in the terrifying object of the deep abyss? Book 3 of The Chaos Chronicles continues the hard-SF saga inspired by chaos theory—with an all-new Afterword by the Nebula-nominated author of Eternity's End.
Kill Process
Price: $4.99 USD. Words: 121,970. Language: English. Published: June 19, 2016. Categories: Fiction » Thriller & suspense » Psychological thriller, Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
Angie exploits her database access at Tomo, the world's largest social network, to profile and kill domestic abusers. When Tomo introduces a deceptive new product, Angie realizes the company itself is just another evil abuser. To destroy Tomo, she must build a new social network that's distributed and unstoppable. But how can she succeed when the world’s largest company is out to crush her?
Strange Attractors
Series: The Chaos Chronicles, Book 2. Price: $4.99 USD. Words: 102,050. Language: English. Published: September 18, 2010. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
(5.00 from 1 review)
For John Bandicut, Earth is but a memory. Stranded outside the galaxy in a vast structure peopled by a thousand races, Bandicut finds unexpected friends—only to be caught up in a cascade of irresistible forces. Confronting an entity known as the boojum, Bandicut discovers that the Shipworld itself is in peril, and only he can intervene. Book 2 of The Chaos Chronicles—with an all-new Afterword.
Confessions of a Sentient War Engine
Series: An Old Guy/Cybertank Adventure, Book 4. Price: $3.99 USD. Words: 86,850. Language: English. Published: July 31, 2014 by Ballacourage Books. Categories: Fiction » Science fiction » Military, Fiction » Science fiction » Hard sci-fi
Old Guy rides again! The fourth in a series of thrilling Old Guy/Cybertank adventures sees Old Guy off on some exciting new adventures. Everyone's favorite near obsolete weapon of mass destruction returns with some old, and new, friends in more great stories in the style of Chronicles of Old Guy.
Bioterror! (an Ell Donsaii story #14)
Price: $3.99 USD. Words: 82,280. 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!
Storm on Mars Colonization Book 5
Price: $3.99 USD. Words: 85,650. Language: American English. Published: January 13, 2018. Categories: Fiction » Science fiction » Adventure, Fiction » Science fiction » Hard sci-fi
Zeker plans to change Mars. Once adult-qualified, he joins the elite Tower Guilds. But neuroplasticity treatments may have failed, because his own impulses are his biggest challenge. When he storms out of the Towers, Zeker lands in a lawless burg filled with desperate people. Farther from his goals than ever, he must find a way back to the Towers, because more than his project is in peril
Splendid Apocalypse
Price: $3.99 USD. Words: 95,210. Language: English. Published: August 31, 2015 by Ballacourage Books. Categories: Fiction » Science fiction » Hard sci-fi
Through a curious twist of fate, Old Guy finds himself back on Old Earth under the yoke of the vile and despicable Neoliberal oligarchs. Between a looming ecological disaster, renegade sentient bioweapons, inscrutable aliens, and an unlikely alliance between the Cult of Cthulhu and the Order of the Librarians Temporal, Old Guy must throw off his cybernetic shackle
The God Mars Book Five: Onryo
Series: The God Mars. Price: $2.99 USD. Words: 113,500. Language: English. Published: January 30, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Utopias & dystopias
(5.00 from 1 review)
A terrifying new nanotechnology weapon threatens the lives of everyone on Mars. An adopted Nomad finally learns the truth about where he comes from, but at devastating cost. And the technological ghost of a murdered scientist rises to seek revenge for the deaths of his wife and child.
The Star-Eater Chronicles 1. A Galaxy Too Far
Series: Star-Eater Chronicles. Price: $2.99 USD. Words: 28,140. Language: English. Published: December 23, 2015 by Ian Hall. Categories: Fiction » Science fiction » Space opera, Fiction » Science fiction » Hard sci-fi
Seth Gingko is one of 1000 MacCollie Survey-Scouts sent out to map the galaxy. As he reaches the very edge, he finishes his contract, and prepares to take ownership of the ship. But destiny has other plans for Seth and his egotistical computer. This is the first in a new novella series by Dennis E. Smirl & Ian Hall. Both are award winning writers. Their styles are sharp, witty, and full of energy.
Virago One
Series: Ace of Space. Price: $2.99 USD. Words: 95,810. Language: American English. Published: February 3, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
The US Air Force just lost their state of the art fusion battleship, and it's up to Stilicho Jones to get it back!
The God Mars Book Four: Live Blades
Series: The God Mars, Book 4. Price: $2.99 USD. Words: 134,250. Language: English. Published: July 14, 2014. Categories: Fiction » Science fiction » Utopias & dystopias, Fiction » Science fiction » Hard sci-fi
(5.00 from 2 reviews)
Earth’s reckless use of a nuclear weapon has threatened the lives of those living in Melas, prompting a band of Nomads to seek a new home in the more livable—and more dangerous—Coprates to the east. A young Eternal embarks on a journey to prove himself a hero. A former enemy tries to earn her place in the UN planetary forces. And a terrifying new threat arises from a world that never happened.
Thurman's Principle
Price: $2.99 USD. Words: 71,780. Language: English. Published: October 24, 2012. Categories: Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
The ark is a beautiful place full of beautiful people, cities, and cultures. Jameson Brickman hates them all. It hasn't been an easy life for him and he's sure that it will only get harder from here. But things are even worse than he knows. Things are worse than anyone knows and the whole ark may just be ready to fall apart in the void.
Last Train from Earth - Holy Christian Empire 2206
Price: $2.99 USD. Words: 66,110. Language: English. Published: February 14, 2018. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Military
It's 2206. A desperate plan to escape tyranny of the Free States of America and colonize a new world. But will a spy derail their plans? And if they manage that, will they be able to fight off the military might that will be sent to bring them back?