The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Staff of Serapis
Demigods and Magicians (1)
The Lost Hero
The Heroes of Olympus (1)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
How to Speak Dragonese
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
The Red Pyramid
The Kane Chronicles (1)