Ender's Game (The Ender Quintet)

Mentats of Dune: Book Two of the Schools of Dune Trilogy (Dune, 9)

Navigators of Dune: Book Three of the Schools of Dune Trilogy (Dune, 10)

The Ender Quartet Boxed Set: Ender\'s Game, Speaker for the Dead, Xenocide, Children of the Mind (The Ender Quintet)