Ackerman, Karen <br/><br/>
Mr. Popper's Penguins  / 
K. Ackerman;  Illustrated by S. Gammell. 
 - New York :   Alfred A. Knopf,  1988. 
 - [30] p. :  ill.;  27 cm. 
 - The Caldecott Medal. .
<br/><br/><label>ISBN: </label>9780394893303 03948933031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's literature--Story