The Wrath of Mulgarath
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (5)
The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
The Blood of Olympus
The Heroes of Olympus (5)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
The House of Hades
The Heroes of Olympus (1)