Gardner's Martin <br/><br/>
Sixth book of Mathematical games from scientific American 

 - San Francisco    W H Freeman        1971 
 - x,262p.  cm. 
<br/><br/><label>Standard No.: </label>21017 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B2891, L1