Rick Riordan
Works by Series
Percy Jackson & The Olympians #1
The Lightning Thief
Percy Jackson & The Olympians #1 · Hard Cover · Good
Percy Jackson & The Olympians #2
The Sea of Monsters
Percy Jackson & The Olympians #2 · Hard Cover · Very Good
Percy Jackson & The Olympians #4
The Battle of the Labyrinth
Percy Jackson & The Olympians #4 · Hard Cover · Very Good