Benjamin, Arthur. <br/><br/>
Secrets of mental math :  the mathemagician's guide to lightning calculation and amazing math tricks / 
Arthur Benjamin and Michael Shermer. 
 - 1st ed. 
 - New York :  Three Rivers Press,  c2006. 
 - xxiv, 278 p. :  ill. ;  21 cm. 
<br/><br/> "Originally published in different form as Mathemagics by Lowell House, Los Angeles, in 1993"--T.p. verso. 
<br/><br/>Includes bibliographical references (p. [271]-272) and index. 
<br/><br/><label>ISBN: </label>0307338401 (pbk.) 9780307338402 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental arithmetic--Study and teaching.<br/>Magic tricks in mathematics education.<br/>Mental calculators.
<br/><br/><label>Dewey Class. No.: </label>513.9  / BEN 2006