The Tyrant's Tomb
Rick Riordan
The Trials of Apollo (4)
The Legend of Sigurd and Gudrún
J. R. R. Tolkien
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
Fire World
Chris D'Lacey
The Last Dragon Chronicles (6)
The Red Pyramid
The Kane Chronicles (1)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
How to Be a Pirate
How to Train Your Dragon (2)