The House of Hades
Rick Riordan
The Heroes of Olympus (1)
The Ship of the Dead
Magnus Chase and the Gods of Asgard (3)
The Chalice of the Gods
Percy Jackson and the Olympians (6)
The Demigod Files
Percy Jackson and the Olympians (4.5)
How to Be a Pirate
Cressida Cowell
How to Train Your Dragon (2)
How to Twist a Dragon's Tale
How to Train Your Dragon (5)