Honsberger, R <br/><br/>
Ingenuity in mathematics 
R. Honsberger 
 - Washington  Mathematical Association of America  1970 
 - vii  206 
 - New mathematical library 23 .
<br/><br/><label>ISBN: </label>9780883856239 
<br/><br/><label>Dewey Class. No.: </label>28  / HONS