Percy Jackson's Greek Heroes
Rick Riordan
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
Everblaze
Keeper of the Lost Cities (3)
The Staff of Serapis
Demigods and Magicians (1)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
The Serpent's Shadow
The Kane Chronicles (3)