Percy Jackson and the Lightning Thief
Book one of the Percy Jackson series
In this leftfield comic fantasy novel, 12-year-old Percy Jackson discovers that the Greek gods of Olympus are alive and living in modern-day New York, and that his true father is Poseidon, the Greek god of the sea.
At Half Blood Hill, a summer camp dedicated to training demigods, Percy learns that his fate is to undertake a dangerous quest across the United States to retrieve Zeus' stolen lightning bolt and avert a War of the Gods.
Along the way Percy must face a host of mythological enemies determined to get in his way.