Gardner, Martin <br/><br/>
More Mathematical Puzzies and diversions 

 - Great Britain  Penguin Books  1980 # 1961 
 - 192  Pb 
<br/><br/><label>ISBN: </label>0-1402-0748-1 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>793.74