Foundation
Isaac Asimov
Foundation (1)
The Stars, Like Dust
Galactic Empire (1)
The Blood of Olympus
Rick Riordan
Heroes of Olympus (5)
The Sea of Monsters
Percy Jackson & The Olympians (2)
The Two Towers
J. R. R. Tolkien
The Lord of the Rings (2)
The Return of the King
The Lord of the Rings (3)
The Fellowship of the Ring
The Lord of the Rings (1)