The Lightning Thief by Rick Riordan | 11-12 | ||
The Sea of Monsters by Rick Riordan | 11-12 | ||
The Titan's Curse by Rick Riordan | 11-12 | ||
The Battle of the Labyrinth by Rick Riordan | 11-12 | ||
The Last Olympian by Rick Riordan | 11-12 | ||
The Demigod Files by Rick Riordan | 11-12 |