Wrath of the Triple Goddess
Rick Riordan
Percy Jackson and the Olympians (7)
The House of Hades
The Heroes of Olympus (1)
The Lightning Thief
Percy Jackson and the Olympians (1)
9 from the Nine Worlds
Magnus Chase and the Gods of Asgard (5)
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)
How to Speak Dragonese
How to Train Your Dragon (3)
The Red Pyramid
The Kane Chronicles (1)