An expert at simulated war games, Andrew "Ender" Wiggin believes that he is engaged in one more computer war game when, in truth, he is commanding the last Earth fleet against an alien race seeking Earth's complete destruction.

"The planet Lusitania is home to three sentient species: the pequeninos, a large colony of humans, and the hive queen, 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 races of Lusitania. She has learned how to move ships outside the universe, and then instantly...