“When Arianna, a young and powerful Egyptian Magician and descendant of Cleopatra goes on a quest to recruit more magicians for the battle against Evil, she runs into an unexpected group of teenagers dressed in Roman Armor, wearing magic weapons, and carrying a purple banner with a golden eagle and the letters SPQR written on it. Now it is up to her to decide whether falling in love with the mysterious, hot guy leading the group will be the same mistake that once ended her ancestor’s life and her empire, or the greatest accomplishment she ever did.”

Selena is the daughter of Selene, the titaness of the moon, and Morpheus, the god of dreams. She doesn't really belong at Camp Half-Blood. Selena doesn't care though. She has Luke, and she loves him so much. Suddenly though, Percy Jackson comes to the camp. And you know, the ocean and the moon do go together. Selena cares about Percy, and she doesn't have the slightest idea of Luke's plans.