The Staff of Serapis
Rick Riordan
Demigods and Magicians (1)
The Seeing Stone
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (2)
Camp Jupiter Classified
The Trials of Apollo (4.50)
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)