The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
The Son of Neptune
The Heroes of Olympus (2)
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
How to Speak Dragonese
Cressida Cowell
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
The Red Pyramid
The Kane Chronicles (1)