Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Demigod Files
Rick Riordan
Percy Jackson and the Olympians (4.50)
The Crown of Ptolemy
Demigods and Magicians (3)
The Son of Neptune
The Heroes of Olympus (2)
The Wrath of Mulgarath
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (5)