The Serpent's Shadow
Rick Riordan
The Kane Chronicles (3)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
Artemis
Andy Weir
Camp Half-Blood Confidential: Your Real Guide to the Demigod ...
The House of Hades
The Heroes of Olympus (1)
The Blood of Olympus
The Heroes of Olympus (5)