How to Ride a Dragon's Storm
Cressida Cowell
How to Train Your Dragon (7)
The Mark of Athena
Rick Riordan
The Heroes of Olympus (4)
Unfinished Tales
J. R. R. Tolkien
The Sea of Monsters
Percy Jackson and the Olympians (2)
Unraveled
Shannon Messenger
Keeper of the Lost Cities (9.5)