The Tower of Nero
Rick Riordan
The Trials of Apollo (5)
Hero's Guide to Deadly Dragons
Cressida Cowell
How to Train Your Dragon (6)
The Staff of Serapis
Demigods and Magicians (1)
The Red Pyramid
The Kane Chronicles (1)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)