6 Books of Required/ Choice
The Lightning Theif
This is a required book and is Pink Level.
The Sea of Monsters
This is a required book and is Pink Level.
The Titan's Curse
This is a required book and is Pink Level.
The Battle of the Labyrinth
This is a required book and is Pink Level.
The Last Olympian
This is a required book and is Pink Level.
The Lost Hero
This is a Required Book for Yellow Level.