Included in this collection:

• The Lightning Thief
• The Sea of Monsters
• The Titan''s Curse
• The Battle of the Labyrinth
• The Last Olympian
• The Lost Hero
• The Son of Neptune
• The Mark of Athena
• The House of Hades
• The Blood of Olympus

Enter the unforgettable world of Greek mythology with this epic 10-book collection from bestselling author Rick Riordan. Combining the complete Percy Jackson and the Olympians adventure with the opening Heroes of Olympus saga, this action-packed set is perfect for young readers who love fantasy, mythology and thrilling quests.

Follow Percy Jackson as he discovers he is the son of Poseidon and is swept into a hidden world of Greek gods, mythical creatures and dangerous prophecies. After the original series, the adventure continues with the Heroes of Olympus books, where Greek and Roman demigods must unite to face an ancient enemy that threatens the world itself. Filled with humour, friendship, mystery and unforgettable characters, these bestselling novels have captivated millions of readers worldwide.