Honsberger, Ross <br/><br/>
Ingenuity in mathematics. 

 - New York  Random House/Singer School Division  [c1970] 
 - vii, 204 p.  illus.  24 cm. 
 - New mathematical library  23 .
<br/><br/> 920306 
<br/><br/>Bibliography: p. 203-204. 
<br/><br/><label>ISBN: </label>0394709233 
<br/><br/><label>LCCN: </label>77134351  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>LC Class. No.: </label>QA7  / .H77 
<br/><br/><label>Dewey Class. No.: </label>510