Gould, Wayne <br/><br/>
Fiendish su doku 
Wayne Gould 
 - New York  HarperCollins  2006 
 - 199 p. : ill. ; 23 cm 
<br/><br/><label>ISBN: </label>9780007232536 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sudoku
<br/><br/><label>Dewey Class. No.: </label>793.74 GOU