The Red Pyramid
Rick Riordan
The Kane Chronicles (1)
The Two Towers: Being the Second Part of The Lord of the Rings
J.R.R. Tolkien
Camp Jupiter Classified
The Trials of Apollo (4.5)
Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Burning Maze
The Trials of Apollo (3)