How to Train Your Dragon
Cressida Cowell
How to Train Your Dragon (1)
Dark Fire
Chris D'Lacey
Hotel Valhalla Guide to the Norse Worlds: Your Introduction ...
Rick Riordan
Magnus Chase and the Gods of Asgard (4)
The Mark of Athena
The Heroes of Olympus (4)
The Demigod Files
Percy Jackson and the Olympians (4.5)
The Lost Hero
The Heroes of Olympus (1)
The Son of Neptune
The Heroes of Olympus (2)
The Serpent's Shadow
The Kane Chronicles (3)