Black belt in blackjack : playing 21 as a martial art 

 - New York:  Puzzle Wright Press,  2006 
 - 192 p. ; 20 cm. 
<br/><br/><label>ISBN: </label>9781402739361 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sudoku
<br/><br/><label>Dewey Class. No.: </label>793.74 PUZ