Zoo animals from polar bear to walrus make their distinctive sounds for each other, while children imitate the sounds for the zookeeper.

作者簡介

　　Bill Martin Jr. was an elementary-school principal, a teacher, writer, and poet. His many bestselling classics are a testament to his ability to speak directly to children and have left a legacy to generations to come. Eric Carle’s innovative books have earned him a place in the canon of classic children’s literature. Brown Bear, Brown Bear, What Do You See? was the first book he illustrated; he then went on to write and illustrate The Very Hungry Caterpillar and The Grouchy Ladybug, as well as many other books for children.

　　Eric Carle is an internationally bestselling and award-winning author and illustrator of books for very young children. He was born in New York, but spent his early life in Germany. He returned to the States in his early twenties and worked as a graphic designer for the New York Times. He went on to be the art director of an advertising agency before he began writing and illustrating children's books. Eric lives in Massachusetts with his wife, Barbara. The Carles opened The Eric Carle Museum of Picture Book Art in Massachusetts in 2002.