Percy is claimed as a son of Poseidon and is assigned a quest to find Zeus's stolen master bolt. Part 3: The Quest to the West (Chapters 10-16)
After a dangerous encounter at the Gateway Arch, Percy escapes into the Mississippi River. Percy is claimed as a son of Poseidon
Hades reveals the bolt was planted in Percy’s backpack; Percy defeats Ares to recover the Helm of Darkness. Part 5: Olympus and the Aftermath (Chapters 21-22) The Lightning Thief Chapters One–Three Summary & Analysis Part 5: Olympus and the Aftermath (Chapters 21-22)
Percy vaporizes Mrs. Dodds, a Fury, at the Metropolitan Museum of Art and discovers the world of myths. After a Minotaur attack at Montauk leads to
Percy obtains magical pearls and gets past Cerberus, finding Hades' realm.
After a Minotaur attack at Montauk leads to his mother's disappearance, Percy arrives at Camp Half-Blood . Part 2: Life at Camp Half-Blood (Chapters 5-9)