Nightfall
Shannon Messenger
Keeper of the Lost Cities (6)
The House of Hades
Rick Riordan
The Heroes of Olympus (1)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
Unraveled
Keeper of the Lost Cities (9.50)
How to Be a Pirate
Cressida Cowell
How to Train Your Dragon (2)