The Legend of Sigurd and Gudrún
J. R. R. Tolkien
The Wyrm King
Tony DiTerlizzi & Holly Black
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
The Last Olympian
Rick Riordan
Percy Jackson and the Olympians (5)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Burning Maze
The Trials of Apollo (3)