$6.00 Caterpillar Spring, Butterfly Summer: 10th Anniversary Edition Hardcover -This 10th Anniversary edition of the best-selling story about a caterpillar's busy day delights children with adorable artwork by Claudine Gevry.This beautiful story about a caterpillar's busy day features a colorful, fabric-covered spring that lends a bouncing effect to the lively artwork, mimicking the motion of a crawling caterpillar.