How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)
How to Speak Dragonese
How to Train Your Dragon (3)
Lucinda's Secret
Tony DiTerlizzi & Holly Black
The Spiderwick Chronicles (3)
How to Train Your Dragon
How to Train Your Dragon (1)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Rick Riordan
Magnus Chase and the Gods of Asgard (4)