The Serpent's Shadow
Rick Riordan
The Kane Chronicles (3)
The Burning Maze
The Trials of Apollo (3)
Camp Half-Blood Confidential: Your Real Guide to the Demigod ...
The Legend of Sigurd and Gudrún
J. R. R. Tolkien
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
How to Be a Pirate
How to Train Your Dragon (2)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)