Osborne, Mary Pope. <br/><br/>
Polar bears past bedtime 
Mary Pope Osborne 
 - Canada  Random House  1998 
 - 71 p. 
 - Magic tree house .
 - Magic tree house .
<br/><br/><label>ISBN: </label>0329082078 067988341X (pbk.) 0679983414 (lib. bdg.) 0758779313 
<br/><br/><label>Dewey Class. No.: </label>999999