 Posh Sudoku 2014 Desk CalendarPosh Sudoku Desk Calendar: Sudoku is an extremely popular puzzle game that requires no math skills to solve. |  Sudoku 2013 Desk CalendarWhat more could an avid Sudoku solver want than a puzzle for almost every day of the year? Here are puzzles of varying levels of difficulty that will entertain and challenge any player of this popular logic game. |  The Original Sudoku 2013 Desk CalendarFrom Nikoli, the Japanese company that launched the Sudoku craze, this calendar offers hundreds of handcrafted puzzles in full color. |  Ultimate Sudoku 2013 Desk CalendarFeaturing a mix of puzzle styles, Irregular, Diagonal and Sum Sudoku, Ultimate Sudoku is perfect for both those new to the craze and those already hooked. |