Flashback
Shannon Messenger
Keeper of the Lost Cities (7)
The Son of Neptune
Rick Riordan
The Heroes of Olympus (2)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
The Demigod Diaries
The Heroes of Olympus (0.0)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)
How to Be a Pirate
How to Train Your Dragon (2)