Benjamin, Arthur <br/><br/>
"Secrets of mental  math, the mathemagicians guide to lighting calculations and amazing math tricks" 

 - New York  Three River Press  2006 
 - 278 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magic tricks in math education<br/>Mental arithmetic - Study and teaching<br/>Mental calculators
<br/><br/><label>Dewey Class. No.: </label>510 B438s