"Polar Bear, Polar Bear, What do you Hear?" by Eric Carle & Bill Martin Jr. Favorite illustrator Eric Carle teams up with wordsmith Bill Martin Jr to make this board book full of colorful zoo creatures and whimsical text. Page after page of is filled with amazing illustrations and clever rhymes- brilliant peacocks, twisting snakes, fluttering flamingoes, and more. The rollicking companion to the book "Brown Bear, Brown Bear, What do you See?". Board book.