Graham, L.A. <br/><br/>
Ingenious mathematical problems and methods 

 - New York  Dover  1959 
 - 252p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ARTS, CRAFTS, MUSIC, SPORTS AND RECREATIONS
<br/><br/><label>Dewey Class. No.: </label>793.74 GRA