The Demigod Diaries
Rick Riordan
The Heroes of Olympus (0.0)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
The Tower of Nero
The Trials of Apollo (5)
The Tyrant's Tomb
The Trials of Apollo (4)
How to Be a Pirate
How to Train Your Dragon (2)