Showing titles in Hard Science Fiction

Hugo Award winner Harry Turtledove is the master of alternate history. In American Front he envisions World War I as it may have been if fought on American soil. The United States and Germany clash with the Confederacy, France, and Britain as the machines of modern warfare litter the landscape with carnage. Meanwhile, oppressed southern blacks head toward a fateful confrontation.

Bob Howard is a computer-hacker desk jockey, who has more than enough trouble keeping up with the endless paperwork he has to do on a daily basis. He should never be called on to do anything remotely heroic. But for some reason, he is.

Passage at Arms tells the intimate, detailed and harrowing story of a climber crew and its captain during a critical juncture of the war. Cook combines speculative technology with a canny and realistic portrait of men at war and the stresses they face in combat. Passage at Arms is one of the classic novels of military science fiction.

Igloo and Angie are the co-founders of a new social network, Tapestry, based on the principles of privacy and data ownership. Two years later, with Tapestry poised to become the world’s largest social network, their rapid growth puts them under government scrutiny. Tapestry’s privacy and security is so effective that it impedes the government’s ability to monitor routine communications. Fearing Tapestry will spread to encompass the whole of the Internet, threatening America’s surveillance abilities around the globe, the government swoops in to stop Angie and company.

When the inhabitants of a peaceful world are conquered by the bloodthirsty yumens, their existence is irrevocably altered. Forced into servitude, the Athsheans find themselves at the mercy of their brutal masters. Desperation causes the Athsheans, led by Selver, to retaliate against their captors, abandoning their strictures against violence. But in defending their lives, they have endangered the very foundations of their society. For every blow against the invaders is a blow to the humanity of the Athsheans. And once the killing starts, there is no turning back.

Jake’s commute home takes an unexpected detour, leaving him stranded on a completely different planet. He soon finds himself in a high-tech hospital in a world populated by strange alien races. However, the new world is not your standard Isekai story. These are not the cliché cute monster girls or the generic characters that look like they were borrowed from a video game. In this world, he is the primitive, has no magic or cheat abilities, and has no clue what will happen. Jake tries to learn to live in the new world but discovers that not everything is what it seems.

In a universe where the laws of physics and the speed of light are completely alien to our own, the travelers on the ship Peerless have completed a generations-long struggle to develop advanced technology in a desperate attempt to save their home world. But as tensions mount over the risks of turning the ship around and starting the long voyage home, a new complication arises: The prospect of constructing a messaging system that will give the Peerless news of its own future.

Twelve stories by science-fiction master Stanislaw Lem, nine of them never before published in English.

What kind of person does it take to build a civilization from the ground up? In this fun hard science fiction novel, astronaut Nick Burke will have to learn how to be a leader if he wants humanity to survive on a new planet, even if he is no longer a human himself. Nick Burke dreams of successfully creating the first sustainable space colony in human history.

The nanotechnology was designed to fight cancer. Instead, it evolved into the machine plague, killing nearly five billion people and changing life on Earth forever.

Reuben Jackson is the only one who still cares about Mars. In the shambles of the Great Collapse, Earth has abandoned the Mars explorers to their fate. But Reuben will make a stand for the Mars team—even against the powerfully united politicians and scientists. In too deep, he discovers hidden conspiracies and unexpected allies. As the conflict mounts on Earth, time runs down on Mars. Left to face Mars alone, Commander Donegan Moynihan and his team have no hope of surviving after their supplies are gone.

On the planet of Per Ardua, alien artifacts were discovered - hatches that allowed humans to step across light-years of space as if they were stepping into another room. But this newfound freedom has consequences. As humanity discovers the real nature of the universe, a terrifying truth comes to light: We all have countless pasts converging in this present - and our future is terrifyingly finite. There are minds in the universe that are billions of years old, and now we are vulnerable to their plans for us.

The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them, and their fleets attack in endless waves. The long war has transformed the Hundred Worlds into heavily fortified star systems. Their economies are geared for military output, and they raise specialized soldiers to save our species. Assault Captain Derek Straker is one such man among many.

In Level Seven, the exciting culmination of the Killday series, AIs strive to evolve into a super intelligence and might destroy humanity in that pursuit. But could their hopes of achieving godhood actually lie with the nearly extinct humans they intend to eradicate?

In the midst of the most devastating dust storm in the history of Mars, the survival of the half million people who call it home is hanging in the balance. Yet, for Major Mia Sorelli of the Mars Law and Order Department, it’s just another sol at the office - another sol trying to keep the desperate and angry citizens from tearing themselves apart.

The starship New Horizon is Earth's first attempt at an FTL capable spaceship. But others don't want the mission to succeed. The mission goes suddenly and horribly wrong with the possibility of inadvertently leading the Hocklyns to Earth decades in advance of their estimated arrival time. Can the cadets on the New Horizon stop the deadly plot before it's too late?

When the Earth is invaded by a rival empire, James McGill's legion must defend the Home World. The top brass has complex plans, but none of that matters much to McGill, who chooses his own unique path. Traveling to star systems no human has ever visited, he searches for a technological edge to beat the enemy before it's too late. Along the way he unleashes new terrors, triggering the biggest battles in human history.

Although the exciting military career she hoped for never got off the ground, Ky Vatta ended up seeing plenty of combat when she took the helm of one of the commercial transport vessels in her family's fleet...and steered it into a full-blown war. Now the lessons she learned in that trial by fire are about to pay off---because this time, the war has come to her. Someone has launched a full-throttle offensive against Vatta Transport Ltd., Ky's father's interstellar shipping empire.

Surrounded by secrecy, it is home to the wildest dreams and darkest nightmares. Incredible amounts of money have been lavished on it. The best minds of two generations have labored to build it. And somehow, bit by bit, it is claiming the Earth's most valuable resource - its children.

Facing the threat of their dark enemies, Gillian must also cope with his inner turmoil, as the madness of his nature threatens to consume his life. He discovers that he is a genetically modified creature whose purpose is to serve the needs of others, and that the course of his destiny is not in his own hands.