Thorpe, Gary S <br/><br/>
AP Environmental Science  
/by Gary S Thorpe 
 - 3rd edition  
 - New York  Barron's  2007 
 - 539p. 
<br/><br/><label>ISBN: </label>9780764145711 
<br/><br/><label>Dewey Class. No.: </label>574.526  / THO/A