LaVar tracks down, scouts out and sneaks up on math-in action, and he finds out firsthand that a factory -- and life -- can't run without it. Books reviewed include Marvelous math: a book of poems by Lee Bennett Hopkins, Twelve snails to one lizard: a tale of mischief and measurement by Susan Hightower, and Pigs on a blanket: fun with math and time by Amy Axelrod.