The Titan's Curse
Rick Riordan
Percy Jackson and the Olympians (3)
The Lost Hero
The Heroes of Olympus (1)
How to Twist a Dragon's Tale
Cressida Cowell
How to Train Your Dragon (5)
The Tower of Nero
The Trials of Apollo (5)
The Demigod Diaries
The Heroes of Olympus (0.0)