The Battle of the Labyrinth camp for the school year. On his fifteenth birthday at the summer's end, Percy receives a visit from his father Poseidon, who gives him a sand dollar, admonishing him to “spend it wisely”. Nico later appears to tell Percy his plan to defeat Luke once and for all. "The Battle of the Labyrinth" was initially referred to as "Percy 4" until the title was officially revealed. The novel was teased by Rick Riordan behind the pages of its predecessor, "The Titan's Curse". It was based on the Greek myth of the labyrinth, where the Minotaur was supposedly kept. In his
Flatwoods monster over-exertion". Local officials have erected a "Welcome to Flatwoods / Home of the Green Monster" sign on the route leading into the town. In celebration of the legend, the Braxton County Convention and Visitor's Bureau built a series of five tall chairs in the shape of the monster to serve as landmarks and visitor attractions. The town of Flatwoods also houses a museum dedicated to the monster legend and offers promotional merchandise. The Bureau rewards visitors who photograph all five chairs with "Free Braxie" stickers as part of their ongoing promotion. The monster legend is celebrated every year when the