Camp Half-Blood Confidential: Your Real Guide to the Demigod ...
Rick Riordan
The Titan's Curse
Percy Jackson and the Olympians (3)
The Fork, the Witch, and the Worm
Christopher Paolini & Angela Paolini
The Inheritance Cycle (4.5)
Fire Star
Chris D'Lacey
Percy Jackson's Greek Gods
Rick Riordan & John Rocco