The world book of math power. 

 - Chicago :  World book,  1996. 
 - Vols. :  ills ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>V. 1- Learning Math ; 
<br/><br/>311  311 
<br/><br/><label>ISBN: </label>0-7166-3897-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510 / W893