Fiction » Science fiction » Hard sci-fi

Death Rayne: Resurrection
Series: The Rayne Chronicles, Book 4. Price: $2.50 USD. Words: 92,510. Language: English. Published: August 28, 2017. Categories: Fiction » Science fiction » Hard sci-fi
The exciting conclusion of the Rayne Chronicles, Death Rayne. Follow Echo Elite as they deal with Rayne's loss and fight off Tau Ceti incursions that have suddenly become more focused. Meanwhile, Vlad hasn't given up hope. He's certain Rayne is alive and he'll cross the universe to bring her back; alone if he has to.
Axiomatic
Price: $2.99 USD. Words: 107,650. Language: English. Published: February 8, 2017. Categories: Fiction » Science fiction » Hard sci-fi
Axiomatic is a collection of eighteen short stories, including “The Infinite Assassin”, “Learning to Be Me” and the title story “Axiomatic”.
Dichronauts
Price: $4.99 USD. Words: 95,470. Language: English. Published: March 31, 2017. Categories: Fiction » Science fiction » Hard sci-fi
On a world where light can only travel outside a “dark cone” that stretches to the left and right, two species share bodies and combine their senses to make it possible to perceive more of their surroundings. But when surveyors Seth and Theo join an expedition to the edge of the habitable zone, they find a fissure in the surface of the world, so deep and wide that no one can perceive its limits
Unwelcome Visitors Box Set
Series: Unwelcome Visitors. Price: $7.99 USD. Words: 172,120. Language: American English. Published: August 7, 2017. Categories: Fiction » Science fiction » Hard sci-fi
Unexpected visitors always upset a household, no matter everyone's intentions. But when the visitors are another species from a distant galaxy, all bets are off. This is a series of stories describing the clash within humanity as they deal with the unknown, and how they either rise to the challenge or are destroyed by it. 1: Stranded in a Foreign Land 2: The Lad Who Poked the Devil in the Eye
The Glass Key
Price: $2.99 USD. Words: 25,620. Language: English. Published: September 1, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
Daniel is apprenticed to a master tinker in the Kingdom of Chicagoland, a society built in the ruins of the old high-tech world. When he breaks a piece of precious ancient glass, Master Nieve commands him to journey to a landfill guarded by ancient war bots to secure more. From there, he will find that the ancient world isn't as dead as everyone believes, and he'll have to think fast to survive!
Luminous
Price: $2.99 USD. Words: 102,320. Language: English. Published: February 8, 2017. Categories: Fiction » Science fiction » Hard sci-fi
Luminous is a collection of ten stories: “Chaff” “Mitochondrial Eve” “Luminous” “Mister Volition” “Cocoon” “Transition Dreams” “Silver Fire” “Reasons to Be Cheerful” “Our Lady of Chernobyl” “The Planck Dive”
Observation
Price: $2.99 USD. Words: 27,260. Language: Commonwealth English. Published: September 19, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Adventure
Crime, alien danger and politics do not mix in fragile space environments, as Jonathan Bartell and Gaby Larsen find out.
Los Siete Padres de Kimera
Price: $3.99 USD. Words: 78,130. Language: Spanish. Published: February 12, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Mystery & detective » International crime
Kimera Etérea es una fotógrafa del arcoíris que no tiene madre biológica sino múltiples padres, resultado de un experimento tabú de ingeniería genética. Un grabado del Renacimiento, números, hackers, fósiles y fenómenos ópticos tejen una trama que une mundos opuestos, el arte y la ciencia, el pasado y el futuro, el bien y el mal.
Antarctic Discovery
Price: $4.95 USD. Words: 52,890. Language: English. Published: August 5, 2017 by CosmicBlueCB. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Thriller & suspense » Action & suspense
Something hideous has buried itself deep beneath the ice near an American Antarctic ice station! Something of inconceivable extraterrestrial origins emerged out of space and crashed at a tremendous velocity and Russian intelligence agencies uncover it first from beneath the ice, and uncover a mind-boggling deadly celestial sphere, and they start trying to make contact with what is in its interior!
Starship Walker
Price: $3.99 USD. Words: 71,190. Language: English. Published: June 25, 2015. Categories: Fiction » Science fiction » Hard sci-fi
By foot across the galaxy: Walkers pilot starships, but few people have the mental talents to control the weird quantum technology that powers a star-drive. When an enigmatic force disables the two Walkers on board the Xinglong Hao, novice Walker Gillian Berry is thrust into the role before her training is finished. But she has problems that could cause disaster for the ship.
Betrayals
Price: $2.99 USD. Words: 76,110. Language: English. Published: March 15, 2012 by Orion's Arm Universe Project. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
Life in the artificial colonies of Beta Sagittarius is comfortable and safe; so why is someone trying to kill the Blessed Dolphin? Why are scout ships searching the massive Oort cloud? And where does Auguste Gienah fit into it all? Wherever the investigation scratches away the surface, there is revealed a tangled web of lies and Betrayals...
Daughter Moon
Price: $3.47 USD. Words: 123,950. Language: English. Published: October 22, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Romance » Time travel
(5.00 from 1 review)
Kali, a skilled computer hacker on Daughter Moon, is womaneuvered into taking charge of the suicide mission to rescue the time traveler in trouble down upon Mother Earth. Earth’s lifeless eNet computer complex has evicted huwomanity from Mother Earth. If the time traveler can be rescued and her 5K Field duplicated, huwomankind will be able to defeat eNet and reclaim Mother Earth.
Exigency
Price: $3.99 USD. Words: 120,130. Language: English. Published: September 16, 2014. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Adventure
It took nineteen years to reach an Earthlike planet. For eight years, a small research team has observed from orbit the lifeforms below. The first: an isolated people embarking on civilization and building their world's first city. The second: a brutal race of massive predators, spread thick across the dominant landmass. When disaster strikes, the team must evacuate to the inhospitable surface.
Red Soil Through Our Fingers
Price: $2.99 USD. Words: 54,880. Language: American English. Published: January 15, 2016. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Themes & motifs » Political
A Mars colonist accepts a deal with a mining company to start a new life on humanity's off-world frontier. But idealism turns to unease when reality becomes darker than the fine print foretold. With his farm under bio-genetic attack and the most powerful player on the planet as an enemy, Mahela has no choice but to run... and expose economic slavery on an interplanetary scale.
Ragnarök, la novena transición (Parte II)
Price: $2.99 USD. Words: 92,350. Language: Spanish. Published: September 21, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
La novena transición ya ha comenzado y es ineludible. Nos hallamos inmersos en el Ragnarök, el convulso final de los tiempos, que dará lugar a un mundo nuevo. De nosotros depende como sea ese futuro. Pues el mundo del futuro será un mundo de redes, o no será.
This Time: Richard III in the 21st Century--Book 1
Price: $2.99 USD. Words: 107,050. Language: English. Published: September 13, 2009. Categories: Fiction » Alternative history, Fiction » Science fiction » Hard sci-fi
(4.33 from 3 reviews)
What if instead of dying in battle, Richard III awakens in the 21st-century? THIS TIME examines the medieval monarch as he adapts to modern technology, medicine, and American culture while investigating his past and what Shakespeare had wrought on his character. "This Time" named General Fiction Finalist in the 2010 Next Generation Indie Book Awards
Wayland's Principia
Price: $4.99 USD. Words: 128,260. Language: English. Published: April 4, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » General
The aliens sent word, sent science, sent ways of thinking and doing. But not themselves, not until three generations trained as Guests, as alien-thinking humans. When the aliens arrived, their thinking was more alien than even the Guests had anticipated. Now, with civilization collapsing, Guests join the aliens in their ships to see what can be communicated between species with nothing in common.
Quarantine
Price: $2.99 USD. Words: 79,690. Language: English. Published: February 8, 2017. Categories: Fiction » Science fiction » Hard sci-fi
In 2034, the stars went out. An unknown agency surrounded the solar system with an impenetrable barrier, concealing the universe from humanity’s gaze. In 2067, Nick Stavrianos is hired to investigate the disappearance of Laura Andrews from the institution where she was being cared for. Aided by a skull full of neural modifications, he follows her trail to the Republic of New Hong Kong.
Teddyhunter: New Genes
Series: teddyhunter. Price: $1.99 USD. Words: 104,240. Language: English. Published: July 31, 2017. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
part two of the Neanderthal gene; the conclusion to the epic. Mindy, Henry and tracker try to get the next-gen cyborgs wired, online and interactive while battling the new UFO observer; he's a mad scientist type who likes doing DNA mods on a helpless population.
AMERICA ONE Series of Seven Novels
Price: $21.95 USD. Words: 858,860. Language: English. Published: July 31, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Adventure » Action
Ryan Richmond has dreamed about going to space since the age of seven. Reading space updates—and seeing pictures of Neil Armstrong on the lunar surface in National Geographic—was the ignition of this dream. Now, Ryan Richmond is in his forties, and he is going into space, whether anybody likes it or not!

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