The Blood of Olympus
Rick Riordan
The Heroes of Olympus (5)
How to Seize a Dragon's Jewel
Cressida Cowell
How to Train Your Dragon (10)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)
How to Ride a Dragon's Storm
How to Train Your Dragon (7)
The Ironwood Tree
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (4)