Percy Jackson's Greek Gods
Rick Riordan & John Rocco
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Crown of Ptolemy
Demigods and Magicians (3)
The Wyrm King
Tony DiTerlizzi & Holly Black
The Ironwood Tree
The Spiderwick Chronicles (4)