Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper. Title: Polar Bear, Polar Bear, What Do you Hear? Book and CD Storytime Set Author: Martin, Bill, Jr./ Carle, Eric (ILT) Publisher: St Martins Pr Publication Date: 2012/12/24 Number of Pages: Binding Type: PAPERBACK Library of Congress: bl2013000195