Games, The Times Mind, <br/><br/>
The Times Ultimate Killer Su Doku: 120 Challenging Puzzles from the Times (the Times Su Doku) : 

 -  Times Books,  2009. 
 - 224 pages 
<br/><br/><label>ISBN: </label>9780007326631 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Games & Activities.
<br/><br/><label>Dewey Class. No.: </label>793.94  / KIL