Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
The Sea of Monsters
Rick Riordan
Percy Jackson and the Olympians (2)
The Mark of Athena
The Heroes of Olympus (4)
Hero's Guide to Deadly Dragons
Cressida Cowell
How to Train Your Dragon (6)
How to Be a Pirate
How to Train Your Dragon (2)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)