The Battle of the Labyrinth
Rick Riordan
Percy Jackson and the Olympians (4)
How to Steal a Dragon's Sword
Cressida Cowell
How to Train Your Dragon (9)
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
The Sun and the Star
Rick Riordan & Mark Oshiro
Nico Di angelo Adventures (1)
The Lost Hero
The Heroes of Olympus (1)