The Hidden Oracle
Rick Riordan
The Trials of Apollo (1)
The Ironwood Tree
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (4)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
The Tower of Nero
The Trials of Apollo (5)
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)