Madachy, Joseph S. <br/><br/>
Mathematics on vacation 
by Joseph S. Madachy 
 - London  Thomas Nelson   c1966 
 - [vi],251p.  ;24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreation
<br/><br/><label>Dewey Class. No.: </label>793.74 MAD