PERCY JACKSON IS A GOOD KID, BUT HE CAN'T SEEM TO FOCUS ON HIS SCHOOLWORK OR CONTROL HIS TEMPER. AND LATELY, BEING AWAY AT BOARDING SCHOOL IS ONLY GETTING WORSE-PERCY COULD HAVE SWORN HIS PRE-ALGEBRA TEACHER TURNED INTO A MONSTER AND TRIED TO KILL HIM. WHEN PERCY'S MOM FINDS...