Greg Bear

"They came in peace, bearing gifts. The Gurus were a highly advanced species who brought amazingly useful and sophisticated technology to the human race. There was, of course, a catch. They warned of a far more malevolent life form, beings who have hounded the Gurus across the cosmos. The media have taken to calling them the Antagonists -- or Antags -- and they have already established a beachhead on Mars. For all they've done for us, the Gurus now...

In a post-human future, one city, guarded by reality generators and surrounded by the terrible maelstrom of Chaos, is the sole bastion of order. In our time, three young people--Ginny, Jack, and Daniel--who can alter the course of fate, a murky past, and the dreams of a decaying city at the end of time are brought together by a newspaper ad and into the hands of collectors of their kind. Back in the future, the strange characters include keepers and...

"Marooned beneath the icy, waxy crust of Saturn's moon, Titan, Skyrine Michael Venn and his comrades face double danger from Earth and from the Antagonists, both intent on wiping out their growing awareness of what the helpful alien Gurus are really doing in our solar system. Haunted by their dead and by the ancient archives of our Bug ancestors, the former combatants must now team up with their enemies, forget their indoctrination and their training,...

Fusing historical events with a gripping fictional narrative, this first book in the Mongoliad trilogy reveals a secret history of Europe in the thirteenth century. As the Mongols swept across Asia and were poised to invade Europe in 1241, a small band of warriors, inheritors of an ancient secret tradition, conceived a desperate plan to stop the attack. They must kill the Khan of Khans; if they fail, all of Christendom will be destroyed. In the late...