Flansburg, Scott <br/><br/>
Math magic :  the human calculator shows how to master everyday math problems in seconds / 
Scott Flansburg, with Victoria Hay 
 - New York :  Harper Perennial,  1993 
 - 350 p. :  ill. ;  21 cm. 
<br/><br/> Originally published in 1993 by William Morrow & Company 
<br/><br/><label>ISBN: </label>0060976195  RM29.90  Hadiah 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)