Jerry Mitchell just bumped into Buddy Revell. Now Jerry isn't thinking about math or english. Because at three o'clock he's history. Jerry Mitchell's having one of those days: he's late for high school his car has a flat and he's been sent to the dean's office. But worst of all he's just ticked off muscle-bound bully Buddy Revell who challenges him to a fight at 3 p.m. Jerry has just seven hours his lightning-quick wit and a savvy kid sister to find a way out of this mess