Applegate, Katherine.

The one and only Ivan / One & only Ivan. by Katherine Applegate ; illustrations by Patricia Castelao. - 1st ed. - New York : Harper, c2012. - 305 p. : ill. ; 20 cm.

When Ivan, a gorilla who has lived for years in a down-and-out circus-themed mall, meets Ruby, a baby elephant that has been added to the mall, he decides that he must find her a better life.

ISBN: 9780062135797 (pbk.)

LCCN: 2011010034

Subjects--Topical Terms:
Gorilla--Fiction.
Elephants--Fiction.
Animals--Treatment--Fiction.