The House of Hades
Rick Riordan
The Heroes of Olympus (1)
Neverseen
Shannon Messenger
Keeper of the Lost Cities (4)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
How to Ride a Dragon's Storm
How to Train Your Dragon (7)