The Burning Maze
Rick Riordan
The Trials of Apollo (3)
The Two Towers: Being the Second Part of The Lord of the Rings
J.R.R. Tolkien
How to Train Your Viking
Cressida Cowell
How to Train Your Dragon (1.5)
Tales From the Perilous Realm
Alan Lee
Camp Jupiter Classified
The Trials of Apollo (4.5)
The Tyrant's Tomb
The Trials of Apollo (4)
The Dark Prophecy
The Trials of Apollo (2)
The Hidden Oracle
The Trials of Apollo (1)
The Tower of Nero
The Trials of Apollo (5)