The Mark of Athena
Rick Riordan
The Heroes of Olympus (4)
How to Train Your Dragon: 12
Cressida Cowell
How to Train Your Dragon (12)
Icefire
Chris D'Lacey
The Dark Prophecy
The Trials of Apollo (2)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Demigod Diaries
The Heroes of Olympus (0)
The Lost Hero
The Heroes of Olympus (1)
The Red Pyramid
The Kane Chronicles (1)