Space Adventure Fantasy

When asubatomic physics experiment causes a massive explosion, interdimensional gateways open in Florida - and aliens pour out. Some intend to bring Earth to its knees. Others seem willing to help, but will annihilate the planet if Navy SEAL Command Master Chief Robert Miller can't stop the menace from spreading.

After one great battle, the Architects disappeared. Yet humanity’s fragile peace is brief. For, 40 years later, the galaxy’s greatest alien enemy has returned. This time, the artefacts that preserved entire worlds from destruction are ineffective. And no planet is safe. The Human Colony worlds are in turmoil as they face extinction. Some believe alliances with other species can save them. Others insist humanity must fight alone. But no one has the firepower or technology to ensure victory, as the Architects loom ever closer.

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.

When Kell and his team return to Earth many years after their departure, they find that their world has changed almost beyond recognition. Not only has a second wave of greenhouse flooding caused sea levels to rise, but society has been changed by the consequences of the climate shift. Few people want to face Jordan Kell's news. He must convince Earth's new rulers that the human race is in danger of extinction unless it acts to forestall the death wave coming from the galaxy's heart.

In the aftermath of his terrible war, Ender Wiggin disappeared, and a powerful voice arose: the Speaker for the Dead, who told the true story of the Bugger War. Now, long years later, a second alien race has been discovered by Portuguese colonists on the planet Lusitania. But again the aliens' ways are strange and frightening...again, humans die. And it is only the Speaker for the Dead, who is also Ender Wiggin the Xenocide, who has the courage to confront the mystery...and the truth.

The Sith Empire is in flux. The Emperor is missing, presumed dead, and an ambitious Sith lord’s attempt to seize the throne has ended fatally. Still, Darth Karrid, commander of the fearsome Imperial battle cruiser Ascendant Spear, continues her relentless efforts to achieve total Sith domination of the galaxy. But Karrid’s ruthless determination is more than matched in the steely resolve of Theron Shan, whose unfinished business with the Empire could change the course of the war for good. Though the son of a Jedi master, Theron does not wield the Force - but like his renowned mother, the spirit of rebellion is in his blood.

Harrowhark Nonagesimus, last necromancer of the Ninth House, has been drafted by her emperor to fight an unwinnable war. Side-by-side with a detested rival, Harrow must perfect her skills and become an angel of undeath - but her health is failing, her sword makes her nauseous, and even her mind is threatening to betray her.

In Brian Herbert and Kevin J. Anderson's Mentats of Dune, the thinking machines have been defeated but the struggle for humanity’s future continues. Gilbertus Albans has founded the Mentat School, a place where humans can learn the efficient techniques of thinking machines. But Gilbertus walks an uneasy line between his own convictions and compromises in order to survive the Butlerian fanatics, led by the madman Manford Torondo and his Swordmaster Anari Idaho.

Firefly meets Mass Effect in this thrilling self-published debut! When Rosemary Harper joins the crew of the Wayfarer, she isn't expecting much. The Wayfarer, a patched-up ship that's seen better days, offers her everything she could possibly want: a small, quiet spot to call home for a while, adventure in far-off corners of the galaxy, and distance from her troubled past. But Rosemary gets more than she bargained for with the Wayfarer.

Frank Herbert's Dune is one of the grandest epics in the annals of imaginative literature. Now Herbert's son, Brian, working with Kevin J. Anderson and using Frank Herbert's own notes, reveals a pivotal epoch in the history of the Dune universe: the Butlerian Jihad, the war that was fought ten thousand years before the events of Dune - the war in which humans wrested their freedom from "thinking machines."

Collected in one volume is all three books in C. J. Cherryh's epic The Faded Sun trilogy: Kesrith, Shon'jir, and Kutath.

Here, Simmons returns to this richly imagined world of technological achievement, excitement, wonder and fear. Endymion is a story about love and memory, triumph and terror - an instant candidate for the field's highest honors.

Honor Harrington has been exiled to Basilisk station and given an antique ship to police the system. The vindictive superior who sent her there wants her to fail. But he made one mistake: he's made her mad....

The Warmaster’s horde advances through the fire and ash of Terra's dying breaths, forcing the loyalists back to the Delphic Battlement—the very walls of the Sanctum Imperialis. Angron, Primarch of the World Eaters and Herald of Horus, has achieved immortality through annihilation—now he leads the armies of the damned in a wrathful tide, destroying all before them as the warp begins its poisonous corruption of Terra's very soil.

They mustn't harm a human being, they must obey human orders, and they must protect their own existence...but only so long as that doesn't violate rules one and two. With these Three Laws of Robotics, humanity embarked on a bold new era of evolution that would open up enormous possibilities, and unforeseen risks.

The mission is simple. Escort an emissary to an intergalactic peace summit. Try not to get in the way. Lt. Magnus and his 79th Recon Team have certainly handled worse, after all. But when an explosion rocks the tower and sends everyone into a panic, Magnus and his asset find themselves cut off from the rest of the team. Worse still, a dying alien chieftain gives them a priceless drive of intel, marking them for death. The mission has officially changed. With enemies on all sides, Magnus must do everything in his power to protect the emissary and escape the tower.

Our universe is ruled by physics, and faster-than-light travel is not possible - until the discovery of The Flow, an extradimensional field we can access at certain points in space-time that transports us to other worlds, around other stars. Humanity flows away from Earth, into space, and in time forgets our home world and creates a new empire, the Interdependency, whose ethos requires that no one human outpost can survive without the others. It's a hedge against interstellar war - and a system of control for the rulers of the empire.

Lieutenant Xedro Farren is a Primaris Marine, stronger and more adept than even the Space Marines his brotherhood is sent to fight alongside. As the Dark Angels and the Primaris Marines fight a trauma-scarred force of T’au hellbent on destroying their former allies, the true quarry becomes clear - the shadowy instigator of a psychic curse that could plunge a string of Imperial planets into madness. As worlds burn in the fires of battle, an unthinkable pact is struck, with the Primaris Marines peeling back layer after layer of deceit to find the appalling truth.

Gunnery Sergeant Torin Kerr is a Confederation Marine's marine. She has survived more deadly encounters---and kept more of her officers and enlistees alive---than anyone else in the Corps. Unexpectedly pulled from battle, Torin finds herself in an underground POW camp that shouldn't exist, where her fellow marine prisoners seem to have lost all will to escape.

Two hundred thousand feet up, things go horribly wrong. An experimental low-orbit spaceplane breaks up on reentry, falling to earth over a trail hundreds of miles long. And in its wake is the beginning of the most important mission in the history of spaceflight.