Osborne, Mary Pope <br/><br/>
Polar bears past bedtime / 
Mary Pope Osborne. 
 - New York:  Scholastic,  1998. 
 - 71 pages:  illustrations;  19 cm. 
<br/><br/><label>ISBN: </label>978-0-590-70638-4 
<br/><br/><label>Dewey Class. No.: </label>SC Os15po 1998