DUCKWORTH, A <br/><br/>
Grit: The Power of Passion and Perseverance 

 - New York  Scribner  2016 
 - 333p.  20cm 
<br/><br/><label>ISBN: </label>978-1-5011-4416-5 
<br/><br/><label>Dewey Class. No.: </label>816 DUC