exuberant full-color paintings of an irresistible menagerie of animals highlight the classic rhyme that introduces small children to the days of the week. by the best-selling author of the very hungry caterpillar.exuberant full-color paintings of an irresistible menagerie of animals highlight the classic rhyme that introduces small children to the days of the week. by the best-selling author of the very hungry caterpillar.