The Tyrant's Tomb
Rick Riordan
The Trials of Apollo (4)
The Dark Prophecy
The Trials of Apollo (2)
The Burning Maze
The Trials of Apollo (3)
How to Speak Dragonese
Cressida Cowell
How to Train Your Dragon (3)
How to Cheat a Dragon's Curse
How to Train Your Dragon (4)
The Red Pyramid
The Kane Chronicles (1)