Children of the Mind (Ender, Book 4) (Ender Quartet)

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.

Orson Scott Card is an American novelist, critic, public speaker, essayist and columnist. He writes in several genres but is known best for science fiction. His novel Ender's Game (1985) and its sequel Speaker for the Dead (1986) both won Hugo and Nebula Awards, making Card the only author to win both science fiction's top U.S. prizes in consecutive years.