Lightning Thief, School And Library by Riordan, Rick, ISBN 0786856297, ISBN-13 9780786856299, Brand New, Free shipping in the US

After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a catastrophic war between the gods. Teacher's Guide available.