Matt Christopher Sports Classics Dirt Bike Runaway, Book 0037, (Paperback)

Peter runs away from his foster home ... and right into danger Peter is a genius with dirt bikes. He can take them apart, fix them up, and race them like a champ. But his skill with a bike can take him only so far - and when he runs away from his foster home, he realizes he's in way over his head. He gets mixed up with two dangerous strangers and soon finds himself neck and neck with trouble on and off the racetrack.