32 pages
English language
Published May 3, 2010 by Macmillan Audio.
Martin, Bill, Jr., Eric Carle, Bill Martin: Polar Bear, Polar Bear, What Do You Hear? (2010, Macmillan Audio)
32 pages
English language
Published May 3, 2010 by Macmillan Audio.
Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper.