The Demigod Diaries
Rick Riordan
The Heroes of Olympus (0.0)
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.50)
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
The Last Olympian
Percy Jackson and the Olympians (5)
The Mark of Athena
The Heroes of Olympus (4)
The Serpent's Shadow
The Kane Chronicles (3)