WARING Rob <br/><br/>
Polar bears in trouble 
Waring Rob 
 - London :  Heinle,  2009 
 - 24p. 
 - National geographic .
<br/><br/><label>ISBN: </label>9781424011124 (pbk) :  21.50 BND 
<br/><br/><label>Subjects--Topical Terms: </label><br/>POLAR BEAR