Benjamin, Arthur & Michael Shermer <br/><br/>
SECRETS OF MENTAL MATH : THE MATHEMAGICIANS GUIDE TO LIGHTNING CALCULATION AND AMAZING MATH TRICKS 

 - 1st Ed 
 -  THREE RIVERS  2019 
 - 278p 
<br/><br/><label>ISBN: </label>9780307338402 
<br/><br/><label>Dewey Class. No.: </label>510 BEN/S