Once again, the 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 is brilliant, ruthless, and 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. How will Ender perform in real combat conditions?...

The planet Lusitania is home to three sentient species: the Pequeninos, a large colony of humans, and the Hive Queen, who was brought there by Ender Wiggin. But now, once again, the human race has grown fearful; the Starways Congress has gathered a fleet to destroy Lusitania. Ender's oldest friend, Jane, an evolved computer intelligence, can save the three sentient species of Lusitania. She has learned how to move ships outside the universe, and then...

Parallel story to Ender's game. An orphan named Bean is found on the streets of Amsterdam and taken to Battle School, where he becomes both friend and rival to Ender Wiggin.