Sethi, M. R. <br/><br/>
250 challenging puzzles / 
M. R. Sethi 
 - New Delhi :  Goodwill Pub.,  nd. 
 - [3], 178 p. ;  22 cm. 
<br/><br/><label>ISBN: </label>9788172450908 (pbk.)  Rs.80.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73