Camp Jupiter Classified
Rick Riordan
The Trials of Apollo (4.5)
The Fire Ascending
Chris D'Lacey
The Last Dragon Chronicles (7)
The Last Olympian
Percy Jackson and the Olympians (5)
How to Train Your Dragon: 12
Cressida Cowell
How to Train Your Dragon (12)
The House of Hades
The Heroes of Olympus (1)
The Blood of Olympus
The Heroes of Olympus (5)