The Crown of Ptolemy
Rick Riordan
Demigods and Magicians (3)
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
The Demigod Diaries
The Heroes of Olympus (0.0)
The Lost Hero
The Heroes of Olympus (1)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Sea of Monsters
Percy Jackson and the Olympians (2)