Fiction » Science fiction » Hard sci-fi

Neptune Crossing
Series: The Chaos Chronicles, Book 1. Price: Free! Words: 102,250. Language: English. Published: September 9, 2010. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
(5.00 from 2 reviews)
When John Bandicut encounters an alien intelligence on Neptune's moon Triton, his life changes irrevocably. Urged by the alien quarx now sharing his mind, he accepts an audacious mission—to steal a ship and hurtle across the solar system in a desperate bid for Earth's survival. Book 1 of The Chaos Chronicles, by the Nebula-nominated author of Eternity's End—with a new Afterword by the author.
The Osiris Invasion: Book Two of Seeds of a Fallen Empire
Price: Free! Words: 98,360. Language: English. Published: February 15, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Space opera
(4.50 from 2 reviews)
In The Osiris Invasion, the Earth of the future is attacked by an alien force known as the Orians who come from the Orion Stars.
Хьюстон, 2030: Нулевой год
Price: Free! Words: 93,200. Language: Russian. Published: August 3, 2014. Categories: Fiction » Science fiction » Utopias & dystopias, Fiction » Science fiction » Hard sci-fi
(5.00 from 1 review)
Ка-бум! Ударил гигантский метеорит. Инопланетный вирус превращает землян в зомби. Извержение супер-вулкана засыпало Китай пеплом. Америка лежит в радиоактивных руинах, а по пустыне носятся банды мародёров на мотоциклах. Стоп! Откуда на пост-ядерных руинах – бензин?
Linkage: Book 1 in The Narrows of Time Series
Series: The Narrows of Time. Price: $2.99 USD. Words: 130,010. Language: English. Published: March 9, 2012 by BookBreeze.com LLC. Categories: Fiction » Science fiction » Apocalyptic, Fiction » Science fiction » Hard sci-fi
Budding physicist Lucas Ramsay was sure his reactor would change history. He was sure everyone would chant his name. Unfortunately for the human race, he was right. When his antigravity experiment succeeds in a way he never imagined, the planet is brought to its knees by an unstoppable force that crosses time and space to systematically exterminate all life on Earth.
Burning Eagle
Price: Free! Words: 123,430. Language: American English. Published: May 31, 2015. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Military
(4.58 from 12 reviews)
A hundred years ago, Super Sapient AIs made first ever contact with intelligent life from outside our solar system. Millions died. A century later, an expeditionary force arrives to liberate the first human world to fall. Among them is an outcast officer, a rebel smuggler, and a soldier in a secret pact. They are unprepared for what they find.
Burden of Sisyphus (Brink of Distinction book #1)
Series: Brink of Distinction, Book 1. Price: Free! Words: 81,570. Language: English. Published: September 6, 2013 by Clean Teen Publishing, Inc.. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Military
(2.00 from 2 reviews)
Between the alien Alliance and the Terran Empire, a neutral zone stretches between the galaxies, a demilitarized zone that was established 150 years previous, following the Great War. The peace accord granted a semblance of peace to the universe. The peace, however, is a facade, and it is the responsibility of Michael Vance and his covert operations team to maintain that illusion.
The Edge
Price: Free! Words: 81,780. Language: English. Published: November 28, 2012. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Military
(5.00 from 2 reviews)
The interstellar war between the Earth allied Unity and the Kyrzal should have been quick and easy. The Unity victorious, the enemy humbled. But the war takes a nasty diversion. Mak, an Earth pod pilot aboard the DreadNought Exeter, finds that not all enemies are obvious. Nor are they easy. Hidden agendas, betrayals, complicate a dangerous situation into a fight just for survival.
The Final Battle
Price: Free! Words: 109,000. Language: English. Published: September 12, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Adventure
(4.50 from 2 reviews)
When they come back from a raging battle on the moon, the gang finds that they're parents have been abducted. Jimmy realizes that the Yolkians must be up to their old tricks and decides to end their fight once and for all. This is the first book in The Final Battle Series.
Thieves Emporium
Price: $4.99 USD. Words: 117,970. Language: English. Published: August 12, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » High tech
(4.67 from 12 reviews)
A novel of technology, economics, and death in the age of the surveillance state. What price freedom when the government knows all our secrets?
Tales of the Vuduri: Year One
Series: Tales of the Vuduri, Volume 1. Price: Free! Words: 123,570. Language: English. Published: January 26, 2014. Categories: Fiction » Science fiction » Adventure, Fiction » Science fiction » Hard sci-fi
Come look behind the curtain at the fascinating 35th century world of Rome’s Revolution. Tales of the Vuduri: Year One offers you 366 entries containing backstories, scientific tidbits, unrevealed secrets and more. Often amusing but always thought-provoking, detailed insights into this brave new world await your arrival.
The God in the Clear Rock
Series: The Ancients of Earth, Book 1. Price: Free! Words: 95,300. Language: English. Published: September 5, 2012 by McDonald Press Publishing Co.. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Adventure » Action
(3.00 from 1 review)
"Seriously one of the greatest things I've ever read." - - Wil Wheaton - - Mysterious ancient artifact from a lost civilization of giants is somehow connected to series of deadly solar storms beginning to hit earth.
Identity
Price: Free! Words: 101,590. Language: English. Published: September 22, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Utopias & dystopias
(4.00 from 1 review)
Identity is a science fiction psychological thriller, set in a future where years of progress have come at a cost. Decades of wars and struggle forced the need for a unique solution. Desperate, leaders centered their rule of law and obedience on a strict quasi-religious interpretation of scientific principles. The strife ends, or does it?
Dreaming Immortality
Price: Free! Words: 60,370. Language: English. Published: May 2, 2014. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
Special contribution by Nikola Danaylov - "Dreaming Immortality" stands out for the variety of the characters, the range of Transhumanist issues as well as for its articulated story involving humans, artificial intelligences and souls - these last obtained by digitizing the brain after death - that is marked by suspense, action, but also considered thoughts.
The God Mars Book One: CROATOAN
Series: The God Mars, Book 1. Price: Free! Words: 129,850. Language: English. Published: January 30, 2013. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Utopias & dystopias
(5.00 from 6 reviews)
The survivors of a nuclear disaster on Mars awaken after a half-century in chemical hibernation, and try to unravel the mystery of why no rescue has come for them. Attempts to contact Earth fail, and they begin to encounter the descendants of other survivors...
Il sera... Tome 1 L'organisation
Series: Il sera..., Book 1. Price: Free! Words: 126,150. Language: French. Published: June 1, 2010. Categories: Fiction » Science fiction » High tech, Fiction » Science fiction » Hard sci-fi
Les deux plus puissants s'affrontent, pour régner sur les mille milliards d’humains du système solaire. -Le pouvoir de l'un : contrôle de l’omniprésent Réseau par lequel toutes ces âmes communiquent. -Le pouvoir de l'autre : l’omnipotent génie biologique dont tous ces êtres dépendent.
Teddy Hunter: The Underground
Series: teddyhunter, Book 1. Price: Free! Words: 109,980. Language: English. Published: December 16, 2012. Categories: Fiction » Science fiction » Hard sci-fi
(3.33 from 3 reviews)
runaway robot teddybears get hunted down as they try to escape to the underground SF action adventure: Everything either explodes or giggles at you... and the dropping anvils are ticking.
431 Years of Death: The Origin
Price: Free! Words: 70,200. Language: English. Published: May 11, 2016. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Apocalyptic
(4.80 from 5 reviews)
The future is not always beautiful. It's could be rather unpredictable, considering the precipice we are pushing our planet towards. What if a person dead today is reanimated then? She will face a raging planet and hostile humanity; fragmented by disputes of resources which are inadequate. Some will be powerful and endowed and will deprive the weak of them. There will be more 431 years after......
Archaea
Price: Free! Words: 65,730. Language: English. Published: March 11, 2016. Categories: Fiction » Science fiction » Space opera, Fiction » Science fiction » Hard sci-fi
(4.25 from 4 reviews)
Strap in for a sci-fi adventure in the grand old style of the radio serials of yesteryear, but told with a modern twist: blending great characters with a hyper-realistic setting to create a visceral experience that is difficult to put down, and hard to forget.
Someone Else's Life
Price: Free! Words: 129,350. Language: English. Published: October 26, 2014. Categories: Fiction » Science fiction » Hard sci-fi, Fiction » Science fiction » Utopias & dystopias
What if a woman would go to any lengths to experience the world of motherhood? Suella Worthy, a rich baseball pitcher's wife cannot conceive a child of her own or carry one to term. Through a series of events linked with her husband Nathan's own infidelity and a mysterious organization called Lifewind, Suella receives a daughter of her very own. But should some things just never be?
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