Honsberger, R <br/><br/>
Mathematical gems I  from elementary combinatorics, number theory & geometry 
R. Honsberger 
 - America  Mathematical Association of America  1973 
 - xi  176 
 - Dolciani mathematical expositions 1 .
<br/><br/><label>ISBN: </label>088353019 
<br/><br/><label>Dewey Class. No.: </label>28  / HONS