The Chalice of the Gods
Rick Riordan
Percy Jackson and the Olympians (6)
Camp Jupiter Classified
The Trials of Apollo (4.5)
The Burning Maze
The Trials of Apollo (3)
The Fellowship of the Ring
J.R.R. Tolkien
How to Cheat a Dragon's Curse
Cressida Cowell
How to Train Your Dragon (4)