How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
The Dark Prophecy
Rick Riordan
The Trials of Apollo (2)
The Hammer of Thor
Magnus Chase and the Gods of Asgard (2)
The House of Hades
The Heroes of Olympus (1)
The Fire Ascending
Chris D'Lacey
The Last Dragon Chronicles (7)
Fire World
The Last Dragon Chronicles (6)