The Field Guide
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (1)
The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Ironwood Tree
The Spiderwick Chronicles (4)
Camp Jupiter Classified
The Trials of Apollo (4.5)
The Tyrant's Tomb
The Trials of Apollo (4)
The Burning Maze
The Trials of Apollo (3)
The Dark Prophecy
The Trials of Apollo (2)
The Tower of Nero
The Trials of Apollo (5)