Sinden, Pete, <br/><br/>
Sudoku Mania #2 : 

 -  Pocket Books,  2006. 
<br/><br/><label>ISBN: </label>9781416528616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Games & Activities.
<br/><br/><label>Dewey Class. No.: </label>793.74  / SIN