The bestselling Heroes of Olympus title by Percy Jackson creator, Rick Riordan - now in stunning graphic novel form!Percy Jackson, son of Poseidon, has come face to face with two snake-haired ladies who refuse to die.But they''re the least of his problems. Because Percy finds himself at a camp for half-bloods, which doesn''t ring any bells for him. There''s just one name he remembers from his past. Annabeth.One thing is certain - Percy''s adventuring days aren''t over. He faces the most important quest of all: the Prophecy of Seven. If he fails, it''s not just their camp at risk. Percy''s old life, the gods, and the entire world might be destroyed . . .