The Wyrm King
Tony DiTerlizzi & Holly Black
The Demigod Diaries
Rick Riordan
The Heroes of Olympus (0)
Unlocked
Shannon Messenger
Keeper of the Lost Cities (8.5)
How to Break a Dragon's Heart
Cressida Cowell
How to Train Your Dragon (8)
How to Train Your Dragon
How to Train Your Dragon (1)
The Serpent's Shadow
The Kane Chronicles (3)