Authors: Rick Riordan

Heroes of Olympus 1: The Lost Hero Heroes of Olympus 2: The Son of Neptune Heroes of Olympus 3: The Mark of Athena Heroes of Olympus 4: The House of Hades Heroes of Olympus 5: The Blood of Olympus

Percy Jackson 1: The Lightning Thief Percy Jackson 2: The Sea of Monsters Percy Jackson 3: The Titan’s Curse Percy Jackson 4: The Battle of the Labyrinth Percy Jackson 5: The Last Olympian