Pale Blue Dot
Carl Sagan
Catch-22
Joseph Heller
Ego Is the Enemy
Ryan Holiday
Cosmos
Speaker for the Dead
Orson Scott Card
Ender's Game
Shadow of the Hegemon
Shadow of the Giant
Ender's Shadow
Shadow puppets
Xenocide
Ender Sextet (3)
Children of the Mind
Ender Sextet (4)