Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.50)
The Sword of Summer
Magnus Chase and the Gods of Asgard (1)
Camp Half-Blood Confidential: Your Real Guide to the Demigod ...
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)