Barr, Nevada  <br/><br/>
Winter study  
Nevada Barr. 
 - New York :  Putnam,  c2008. 
 - xiii, 370 p. ;  24 cm. 
<br/><br/> Visiting an isolated Lake Superior isle to study wolf behavior, ranger Anna Pigeon joins a scientific group that subsequently discovers unusual DNA evidence suggesting that a giant and dangerous wolf hybrid has been introduced by an unknown source. 
<br/><br/><label>ISBN: </label>9780399154584 0399154582 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pigeon, Anna (Fictitious character)<br/>Women park rangers<br/>Wolves
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Rocky Mountain National Park (Colo.)<br/>Isle Royale (Mich.)
<br/><br/><label>Index Terms--Genre/Form: </label>
<br/><br/><label>Dewey Class. No.: </label>Bar   30