The House of Hades
Rick Riordan
The Heroes of Olympus (1)
Unlocked
Shannon Messenger
Keeper of the Lost Cities (8.5)
How to Be a Pirate
Cressida Cowell
How to Train Your Dragon (2)
Hero's Guide to Deadly Dragons
How to Train Your Dragon (6)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Lost Hero
The Son of Neptune
The Heroes of Olympus (2)
The Mark of Athena
The Heroes of Olympus (4)
The Serpent's Shadow
The Kane Chronicles (3)