Once again, Earth is under attack. An alien species is poised for a final assault. The survival of humanity depends on a military genius who can defeat the aliens. But who? Ender Wiggin. Brilliant. Ruthless. Cunning. A tactical and strategic master. And a child. Recruited for military training by the world government, Ender's childhood ends the moment he enters his new home: Battle School. Among the elite recruits Ender proves himself to be a genius...

Lusitania seems to be a planet on which three intelligent species--humans, the pequininos, and the Hive Queen--can finally live together, until a virus dangerous to humans but vital to the pequininos is found, and the Starways Congress orders Lusitania and its inhabitants to be destroyed.

Thirteen-year-old Rigg has a secret ability to see the paths of others' pasts, but revelations after his father's death set him on a dangerous quest that brings new threats from those who would either control his destiny or kill him.