Brown Bear, Brown Bear, What Do You See? White Dog, Black Sheep, a Goldfish, a Teacher or a Mother, and Students or Children. The 1984 British edition of the book substitutes a monkey for the teacher. Carle explained that variations in text between editions (mostly on the last page) were due to Martin, and that he made new illustrations to go with the changes. Carle and Martin published three spin-off books: "Polar Bear, Polar Bear, What Do You Hear?" (1991) uses zoo animals and sounds; "Panda Bear, Panda Bear, What Do You See?" (2003), endangered species; and "Baby Bear, Baby Bear, What Do You See?" (2007), North American
Polar Bear, Polar Bear, What Do You Hear? replacing the earlier text's colours and common animals with sounds and less common creatures. Polar Bear, Polar Bear, What Do You Hear? Polar Bear, Polar Bear, What Do You Hear? is a children's picture book, published in 1991, written and illustrated by Bill Martin, Jr. and Eric Carle. The book is designed to help toddlers identify zoo animals and the noises they make. It features a polar bear, a lion, a hippopotamus, a flamingo, a zebra, a boa constrictor, an elephant, a leopard, a peacock, a walrus, a zoo keeper and some children. This is a companion book to "Brown