Tor Books imprint: 2400 books

For decades, the spacefaring species of Known Space have battled over the largest artifact—and grandest prize—in the galaxy: the all-but-limitless resources and technology of the Ringworld. But without warning the Ringworld has vanished, leaving behind three rival war fleets. Something...

In this exhiliarting sequel to Brian Herbert and Kevin J. Anderson's Hellhole, the stakes on planet Hallholme have been raised to new heights. After declaring his independence from the corrupt Constellation, rebel General Adolphus knows the crackdown is coming. Now he needs to pull together...

Twenty years after the elemental conflict that nearly tore apart the cosmos in The Saga of Seven Suns, a new threat emerges from the darkness. The human race must set aside its own inner conflicts to rebuild their alliance with the Ildiran Empire for the survival of the galaxy. In Kevin J. Anderson's...

Orson Scott Card offers a Christmas gift to his millions of fans with A War of Gifts, a short novel set during Ender Wiggin's first years at the Battle School where it is forbidden to celebrate religious holidays. The children come from many nations, many religions; while they are being trained for...

The story of The First Formic War continues in Earth Awakens. Nearly 100 years before the events of Orson Scott Card's bestselling novel Ender's Game, humans were just beginning to step off Earth and out into the Solar System. A thin web of ships in both asteroid belts; a few stations; a corporate...

In David Weber's How Firm a Foundation, the fifth book in the Safehold series, the Charisian Empire, born in war, has always known it must fight for its very survival. What most of its subjects don't know even now, however, is how much more it's fighting for. Emperor Cayleb, Empress Sharleyan, Merlin...

One hundred years before Ender's Game, the aliens arrived on Earth with fire and death. This is the story of the First Formic War. Victor Delgado beat the alien ship to Earth, but just barely. Not soon enough to convince skeptical governments that there was a threat. They didn't believe that...

For too long, the Puppeteers have controlled the fate of worlds. Now Sigmund is pulling the strings... Covert agent Sigmund Ausfaller is Earth's secret weapon, humanity's best defense against all conspiracies, real and potential - and imaginary - of foes both human and alien. Who better than...

A Dragon is dead. Corta Helio, one of the five family corporations that rule the Moon, has fallen. Its riches are divided up among its many enemies, its survivors scattered. Eighteen months have passed . The remaining Helio children, Lucasinho and Luna, are under the protection of the...

The Goliath Stone is a visionary tale from Larry Niven and Matthew Joseph Harrington. Doctor Toby Glyer has effected miracle cures with the use of nanotechnology. But Glyer's controversial nanites are more than just the latest technological advance, they are a new form of life-and they have...

Worlds closer to the galatic core than Known Space are --or were-- home to intelligent speciers. Some learned of the core explosion in time to flee. Destroyer of Worlds opens in 2670, ten years after Juggler of Worlds closes; with refugee species fleeing in an armada of ramscoops in the direction...

Young Cayleb Ahrmahk has accomplished things few people could even dream of. Not yet even thirty years old, he's won the most crushing naval victories in human history. He's smashed a hostile alliance of no less than five princedoms and won the hand of the beautiful young Queen Sharleyan of Chisholm....

The dramatic sequel to Larry Niven and Gregory Benford's New York Times bestselling novel, Bowl of Heaven Science fiction masters Larry Niven (Ringworld) and Gregory Benford (Timescape) continue the thrilling adventure of a human expedition to another star system that is jeopardized by an encounter...

From Nebula and Hugo Award–nominated Carolyn Ives Gilman comes Dark Orbit, a compelling novel featuring alien contact, mystery, and murder. Reports of a strange, new habitable planet have reached the Twenty Planets of human civilization. When a team of scientists is assembled to investigate...