The Burning Maze
Rick Riordan
The Trials of Apollo (3)
Lucinda's Secret
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (3)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The Demigod Diaries
The Heroes of Olympus (0)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)