Ender's Saga Series Novels

Children of the Mind (Ender's Saga 4) by Orson Scott Card
Xenocide (Ender's Saga 3) by Orson Scott Card
Speaker for the Dead (Ender's Saga 2) by Orson Scott Card
Ender in Exile (Ender's Saga 1.20) by Orson Scott Card
A War of Gifts (Ender's Saga 1.10) by Orson Scott Card
Ender's Game (Ender's Saga 1) by Orson Scott Card
First Meetings in Ender's Universe (Ender's Saga 0.50) by Orson Scott Card