How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
The Demigod Diaries
Rick Riordan
The Heroes of Olympus (0)
Keeper of the Lost Cities
Shannon Messenger
Keeper of the Lost Cities (1)
The Tower of Nero
The Trials of Apollo (5)
The Staff of Serapis
Demigods and Magicians (1)
The Son of Sobek
The Crown of Ptolemy
Demigods and Magicians (3)