Mathematical plums 
Ross Honsberger, editor 
 - [Washington, D.C.]  Mathematical Association of America  c1979 
 - ix, 182 p.  ill.  23 cm 
 - Dolciani mathematical expositions  no. 4 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510