Unraveled
Shannon Messenger
Keeper of the Lost Cities (9.5)
The Burning Maze
Rick Riordan
The Trials of Apollo (3)
How To Train Your Dragon: How to Betray a Dragon's Hero: Book ...
Cressida Cowell
How to Train Your Dragon (11)
The Mark of Athena
The Heroes of Olympus (4)
Percy Jackson's Greek Heroes