Polar Bear, Polar Bear, What Do You Hear?A delightful, rhythmic story by Bill Martin Jr looking at animals and colours, illustrated by Eric Carle, creator of the bestselling The Very Hungry Caterpillar. Bill Martin's playful story combining animals, colours and sounds, beautifully illustrated by Eric Carle, now appears in a chunky board book format. A simple rhythmic text introduces the reader to a menagerie of wild animals from a roaring lion to a fluting flamingo and a trumpeting elephant.