Honsberger Ross <br/><br/>
Intgenuity in mathematics 

 - NY  Random House           1970 
 - vii, 204p  cm. 
 - New Mathematical Library .
<br/><br/> Bibliography P203-4 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>B, LO