Polar bear, polar bear, what do you hear? /
by Bill Martin, Jr. ; pictures by Eric Carle.
- London : Puffin, 2011.
- 1 v. (unpaged) : col. ill. ; 26 cm.
Originally published: New York: Henry Holt, 1991; London: Hamish Hamilton, 1992.
Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper.