Pzzl com

Will Shortz Presents Killer Sudoku: 200 Hard Puzzles by Pzzl.com St Martin's Press Paperback 28 April 2014 from£11.16 | RRP: ~~£7.99~~
Will Shortz Presents Beyond Sudoku: 100 Specially Selected Logic Puzzles from Japan by Will Shortz,Pzzl Com St. Martin's Griffin Paperback 4 September 2007 from£11.99 | RRP: ~~£4.51~~
Will Shortz Presents Let's Play Sudoku: Take It Easy by Will Shortz,Pzzl Com St. Martin's Griffin Paperback 16 October 2007 from£14.99 | RRP: ~~£4.82~~