Lodestar
Shannon Messenger
Keeper of the Lost Cities (5)
Hero's Guide to Deadly Dragons
Cressida Cowell
How to Train Your Dragon (6)
The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
The Burning Maze
The Trials of Apollo (3)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
The Son of Neptune
The Heroes of Olympus (2)