The Demigod Diaries
Rick Riordan
The Heroes of Olympus (0)
The Serpent's Shadow
The Kane Chronicles (3)
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)
How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)