Hero's Guide to Deadly Dragons
Cressida Cowell
How to Train Your Dragon (6)
Neverseen
Shannon Messenger
Keeper of the Lost Cities (4)
Percy Jackson's Greek Heroes
Rick Riordan
Keeper of the Lost Cities
Keeper of the Lost Cities (1)
The Mark of Athena
The Heroes of Olympus (4)
The Serpent's Shadow
The Kane Chronicles (3)