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, NY  HarperPerennial  c1994. 
 - 350 p.  ill.  21 cm. 
<br/><br/><label>ISBN: </label>0060976195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)