The Lightning Thief
The Lightning Thief is a 2005 fantasy-adventure novel which is based on Greek mythology. It is the first young-adult book written by author Rick Riordan. It is the first book in the Percy Jackson & the Olympians series. The series is about the adventures of a modern 12-year-old named Percy Jackson after he discovers he is a demigod (half-human, half-god). Percy is the son of a mortal woman, named Sally and the Greek god Poseidon. Percy and his friends try to prevent a war between the Greek gods Zeus,