Pearson, Debora. <br/><br/>
Polar bear alert! 
Debora Pearson 
 - 1st American ed. 
 - [S.l.]  DK  2007 
 - 48 p. 
 - DK readers. Level 3, Reading alone .
 - DK readers. Level 3, Reading alone .
<br/><br/><label>ISBN: </label>9780756631406 (pbk.) 9780756631437 (trade)