The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
The Crown of Ptolemy
Demigods and Magicians (3)
Rain & Fire: A Companion to the Last Dragon Chronicles
Jay D'Lacey & Chris D'Lacey
Rain & Fire (1)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Burning Maze
The Trials of Apollo (3)