YA. Fantasy fiction. The gods of Olympus are alive in the 21st Century. They still fall in love with mortals and have children who might become great heroes, but most of these children meet horrible fates at the hands of monsters by the age of twelve. Only a few learn the truth of their identity and make it to Half Blood Hill, a Long Island summer camp dedicated to training young demigods. Such is the revelation that launches young Percy Jackson on a quest to help his real father, Poseidon, aver...