The Lightning Thief by Rick Riordan
Percy Jackson has never stayed in one school for a whole year. in each school something bad happens and her gets kicked out. One day, Percy visits a museum about Ancient Greece and his teacher turns into a monster and demands him to give back the lightning bolt. But Percy doesn't have any idea what she is talking about. His friend, Grover, and his mom leave their home and Percy discovers that he is a demigod, half human and half Greek god. His mom brings him to Camp Half-blood where he trains with other demigods. But when the gods demand that the lightning bolt must be returned by a certain date or there will be war, how can Percy and his friends save the world from destruction?
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