The planet Lusitania is threatened with destruction by Starways Congress. With the help of the computer intelligence Jane, Ender must save the planet and its three species.

The children of Ender and Bean solve the great problem of the Ender Universe, the deadly virus they call the descolada, which is incurable and will kill all of humanity if it were allowed to escape from Lusitania.

At the close of the novel Ender's game, Andrew Wiggin, called Ender by everyone, is told that he can no longer live on Earth, and he realizes that this is the truth. He has become far more than just a boy who won a game: he is the Savior of Earth, a hero, a military genius whose allegiance is sought by every nation of the newly shattered Earth Hegemony. He is offered the choice of living in isolation on Eros, at one of the Hegemony's training facilities,...

Ender Wiggin, the young military genius, discovers that a second alien war is inevitable and that he must dismiss his fears to make peace with humanity's strange new brothers.

Earth and its society has been changed irrevocably in the aftermath of Ender Wiggin's victory over the Formics--the unity enforced upon the warring nations by an alien enemy has shattered. Nations are rising again, seeking territory and influence, and most of all, seeking to control the skills and loyalty of the children from the Battle School. But one person has a better idea. Peter Wiggin, Ender's older, more ruthless, brother, sees that any hope...

Bean and other members of Ender's Dragon Army return to Earth after their victory in the Formic War. All but Bean are soon mysteriously kidnapped; Bean turns to Ender's brother Peter for help.