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.