Fire World
Chris D'Lacey
The Last Dragon Chronicles (6)
The Fire Eternal
The Staff of Serapis
Rick Riordan
Demigods and Magicians (1)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
The Son of Neptune
The Heroes of Olympus (2)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Burning Maze
The Trials of Apollo (3)