article: The Last Olympian
links: The Battle of the Labyrinth Grover Underwood Greek mythology Tyson the Cyclops Percy Jackson & the Olympians Oracle of Delphi Zeus Hyperion Achilles heel Charles Beckendorf Percy Jackson (character) Thalia Grace Rachel Elizabeth Dare (Percy Jackson) Luke Castellan (Percy Jackson) Fantasy novel United States Young-adult fiction English language Annabeth Chase River Styx The Lost Hero Audiobook Percy Jackson Nico di Angelo Rachel Elizabeth Dare Party Ponies (Percy Jackson) New York Kronos Athena Luke Castellan Mount Olympus Hades Typhon Achilles Rick Riordan Annabeth (Percy Jackson) The Heroes of Olympus