Hard Science Fiction Space

One of the greatest science-fiction epics ever written, John Varley's Titan, Wizard, and Demon comprise a groundbreaking trilogy that will live forever. Human explorers have entered the sprawling mind of the alien Gaea. Now they must fight her will. For she is much too powerful. And definitely insane....

Commander Scott McNabb, of the science vessel Hermes, is three years into a five-year-long survey of the asteroid belt. It’s an excruciatingly dull mission, yet it keeps him far away from the agencies that are chasing him down. However, his fortunes change, along with the other four crew members, when they discover a derelict spaceship in orbit around a binary asteroid. Scott’s share of the salvage would be enough to clear his name and start a new life.

They’re here. They’ve arrived. And they’re all eyes. The Voltarian scouting party - illegal aliens extraordinaire - on a top-secret expedition led by one Jettero Heller, Royal Officer of the Fleet. His mission: rescue the planet from pollution - and make it safe for the upcoming invasion. His problem: The planet may not want to be saved - and the invasion may just be a trick.

It is 30 years from now, and we have colonized the moon. American Fred Fredericks is making his first trip, his purpose to install a communications system for China's Lunar Science Foundation. But hours after his arrival, he witnesses a murder and is forced into hiding. It is also the first visit for celebrity travel reporter Ta Shu. He has contacts and influence, but he, too, will find the moon can be a perilous place for any traveler.

One soldier. Armed. Dangerous. And Lost. It was the biggest raid in the history of Dynamic Operations. Cryne had trained his entire career for this. One second, he was en route to the enemy’s capital via an experimental transport system; the next, he was alone in an empty forest. Something was off. Way off. In need of answers and a way home, Cryne will have to rely on years of training and combat skills to get himself back to where he belongs. If that’s even possible….

Faced with determining the fate of the galaxy, Golan Trevize hesitantly chose to hand over the rule of the galaxy to planet Gaia. Two mysteries now remain: who has erased the records of Earth – and why? Determined to ensure his choice was right, Golan sets off with Janov Pelorat and Bliss, to answer these questions once and for all. But nothing could prepare them for the secrets which await them on Earth. Secrets which predate history as they know it, and will change its significance forever.

When the Colony on Hayden's world went black, a team was sent to investigate. It was supposed to be a training mission: skip in, find out the Casimir Transmitter had gone dead, report back and wait for resupply from the Fleet. By the time the only surviving member of the team made landfall, it was spectacularly clear that this wasn't a training mission.

One shot at saving a world. One life to give. When things—dark things—swoop and crawl from the pollution, something must be done to prolong the life expectancy of Trenton’s dying three-tiered world. Recruited for a last desperate attempt at ending the contamination, he takes on a grueling and perilous climb to the top of a colossal tower perched atop a high plateau. His mission; steal vital transporter equipment. With the conditional aid of sketchy underground technology, Trenton abandons the safety of his familiar biosphere, a hardcore sacrifice he accepts for the slim hope of ...

Outlink station Miranda has been destroyed by a nanomycelium, and the very nature of this sabotage suggests that the alien bioconstruct Dragon - a creature as untrustworthy as it is gigantic - is somehow involved. Sent out on a titanic Polity dreadnought, the Occam Razor, agent Cormac must investigate the disaster.

Eric Snow's last memory is of a blinding light streaking across the New Mexico night sky. The next thing he knows, he's being rescued by alien soldiers—The Legionnaires—from the clutches of the sinister Syergs, an extraterrestrial terrorist group. Unexpectedly whisked away to Akashon Prime, the crowning jewel of the galaxy, Eric is offered a fresh start alongside other human abductees. However, he soon discovers that this alien haven is far from paradise. The human refugees are second-class citizens, vulnerable and disenfranchised. Teaming up with astrophysicist Devon Marley, Eric's ...

Lee had expertise in different sciences and 24th-century tech due to learning machines that could transfer an expert's knowledge. He had the latest high-tech weapons. He had acquired the latest protective equipment. He was sixteen and got his great-grandfather's A.I., Anna, to find him a planet that had magic. His A.I. hacked a portal to take him there. He might have bitten off more than he could chew.

First in a brand-new Foreigner trilogy by Hugo Award-winning author C. J. Cherryh. Tracker is the 16th installment of C. J. Cherryh's acclaimed Foreigner series.

In a future where humanity pushes the limits of survival and technology, Hostile Takeovers follows a cast of characters whose lives are about to collide. NoFeather, an alien observer seeking respite on Mars, carries knowledge that could change everything. The humans find themselves face-to-face with a visitor beyond their understanding. Meanwhile, on Earth, corporate leaders and extraordinary beings pull strings that stretch across the solar system. As alliances form and secrets unravel, the question remains: who truly holds power in a world where survival depends on cooperation—and ...

The Year is 2040. The Marines have landed on Mars to guard the unearthed secrets of an ancient and dangerous alien race: Ourselves. Scientists have discovered something astonishing in the subterranean ruins of a sprawling Martian city: startling evidence of an alternative history that threatens to split humanity into opposing factions and plunge the Earth into chaos and war.

Time is running out for the planet Jai. The artificially intelligent Gods who rule the galaxy have withdrawn their protection from the chaos-ravaged world, just as their most ancient enemy closes in. For Yasira Shien, who has devoted herself to the fragile planet's nascent rebellion, it's time to do or die—and the odds are overwhelming. Enter Dr. Evianna Talirr.

Years before they became crewmates on the U.S.S. Enterprise, Commander William Riker and ship's counsellor Deanna Troi had a tempestuous love affair on her home planet of Betazed. Now, as their passions have cooled, the two serve together as close friends. Yet the memories of what passed between them linger and Riker and Troi remain Imzadi, a powerful Betazoid term that describes the enduring bond they still share.

Lux finds traveling outside Earth's magnetic fields is possible with the gravity drive, but the military from the US and other nations begins to push hard for the tech. Could they use it to help mine the moon, asteroids, and the moons of other planets? Who controls the areas away from Earth when humans establish bases on different planets? Lux becomes known around Earth, and the fame may be too much. He finds he is a target for governments and corporations that want to control him and his knowledge.

Fifty years after Steve Stuart and his friends captured an alien starship, the Solar Union is a thriving interstellar power while Earth is increasingly backward and falling into barbarism. For two youngsters from Earth, the Solar Union offers the only chance they will ever have to make something of their lives.

Habitats is the seventh in a series of near future sci-fi/thrillers, whose young heroine Ell Donsaii has a nerve mutation which has made her a genius as well as an athletic phenomenon. In Habitats, she is continuing to find uses for the quantum-entangled wormholes she discovered. These wormholes aren’t big enough to send people through, yet they are making huge changes in our world.

A woman having a psychotic episode, talking with her oldest friend from college who’s calming her, sees Earth devoid of humans is populated with monsters and discovers two secrets, he’s her “father” and…