The world of numbers / 
compiled and revised by Sue Lyon. 
 - New York :  Marshall Cavendish,  c1993 
 - 48 p. :  col. ill. ; 
 - Science in Action. .
<br/><br/><label>ISBN: </label>0863070205 (set) 0863079393 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Number theory