The Lost Hero
Rick Riordan
The Heroes of Olympus (1)
Percy Jackson's Greek Gods
Rick Riordan & John Rocco
Unlocked
Shannon Messenger
Keeper of the Lost Cities (8.5)
The Red Pyramid
The Kane Chronicles (1)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)
The Son of Neptune
The Heroes of Olympus (2)