Arnosky, Jim. <br/><br/>
Wild tracks!  a guide to nature's footprints 
Jim Arnosky 
 - ed. 
 - New York  Sterling  2008 
 - 32 p. 
<br/><br/><label>ISBN: </label>9781402739859 
<br/><br/><label>Dewey Class. No.: </label>591