How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
The Lightning Thief
Rick Riordan
Percy Jackson and the Olympians (1)
Dark Fire
Chris D'Lacey
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)