Neverseen
Shannon Messenger
Keeper of the Lost Cities (4)
The Staff of Serapis
Rick Riordan
Demigods and Magicians (1)
The Demigod Diaries
The Heroes of Olympus (0)
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
The Blood of Olympus
The Heroes of Olympus (5)
The House of Hades
The Heroes of Olympus (1)