How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
Percy Jackson's Greek Heroes
Rick Riordan
The Hobbit
J. R. R. Tolkien
The Lost Hero
The Heroes of Olympus (1)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Last Olympian
Percy Jackson and the Olympians (5)
The Battle of the Labyrinth
Percy Jackson and the Olympians (4)
The Titan's Curse
Percy Jackson and the Olympians (3)
The Sea of Monsters
Percy Jackson and the Olympians (2)
The Lightning Thief
Percy Jackson and the Olympians (1)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
Wrath of the Triple Goddess
Percy Jackson and the Olympians (7)