Watch a caterpillar metamorphose into a butterfly in this fun, informative, award-winning picture book, part of the new Nature Storybooks series. Curious young minds will love discovering each stage in the journey, from wriggly green caterpillar to the beautiful butterfly, in this picture book which combines story with information. Previously part of the acclaimed Read and Wonder series, Caterpillar Butterfly has been re-launched in the new Nature Storybooks series with a brand new look.