How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
How to Steal a Dragon's Sword
How to Train Your Dragon (9)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Son of Neptune
Rick Riordan
The Heroes of Olympus (2)
The Burning Maze
The Trials of Apollo (3)