The Chalice of the Gods
Rick Riordan
Percy Jackson and the Olympians (6)
The Crown of Ptolemy
Demigods and Magicians (3)
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)