The Sea of Monsters
Rick Riordan
Percy Jackson and the Olympians (2)
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Magnus Chase and the Gods of Asgard (4)
Percy Jackson's Greek Heroes
The Son of Neptune
The Heroes of Olympus (2)
9 from the Nine Worlds
Magnus Chase and the Gods of Asgard (5)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)