Osborne, Mary Pope <br/><br/>
Polar bears past bedtime  
by Mary Pope Osborne ; illustrated by Sal Murdocca 
 - First Scholastic printing, September 1998 
 - New York :  Scholastic,  1998. 
 - 71 pages :  illustrations ;  20 cm 
 - Magic tree house ;  Book 12 .
<br/><br/> "A Stepping Stone book." 
<br/><br/>N <br/> 
<br/><br/> Their magic tree house takes Jack and Annie to the Arctic, where a polar bear leads them onto very thin ice. 
<br/><br/> 570 <br/>  Lexile <br/>  N <br/>  Raz-Plus <br/> 
<br/><br/><label>ISBN: </label>0679983414 (lib. bdg.) 9780590706384 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Polar bear--Fiction.<br/>Bears--Fiction.<br/>Magic--Fiction.<br/>Tree houses--Fiction.
<br/><br/><label>LC Class. No.: </label>PZ7.O81167  / Po 1998 
<br/><br/><label>Dewey Class. No.: </label>Fic