Learning to measure has never been so fun Join the curious little Inch Worm and his friend, the Ladybug on their journey to discover just how long an inch really is. From flowers to animals, Inch Worm, Inch Worm, is a fun and informative way to learn how to use a ruler. By relating numbers to everyday items, children can learn that math is everywhere. With colorful illustrations and cute critters leading the way, Inch Worm, Inch Worm will inch its way into the hearts of children while teaching them a thing or two about measurements. So sit down and enjoy the journey from one inch to twelve inches as Inch Worm and Ladybug explain just how big everything is