Watkins, John J. <br/><br/>
Across the board :  the mathematics of chessboard problems / 
John J. Watkins. 
 - Princeton :  Princeton University Press,  c2004. 
 - x, 257 p. :  ill. ; 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations.<br/>Chess.
<br/><br/><label>Universal Decimal Class. No.: </label>51-8  / WAT