Hemme, Heinrich. <br/><br/>
Math mind games / 
Heinrich Hemme ; illustrations by Matthias Schwoerer. 
 - New York :  Sterling Pub.,  c2002. 
 - 128 p. :  ill. (some col.) ;  19 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0806976918 
<br/><br/><label>LCCN: </label>2002284585 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.
<br/><br/><label>LC Class. No.: </label>QA95  / .H46 2002 
<br/><br/><label>Dewey Class. No.: </label>793.7/4