Townsend, Charles Barry <br/><br/>
The world's most challenging puzzles 

 -  New Delhi : Orient Paperbacks,   1993 
 - 128 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73  TOW2  `R'