Dimensions
110 x 187 x 11mm
More puzzles to challenge players of the hottest puzzle game sweeping the nation . . . and these are the most extreme brain stumpers of all. 'The Pocket Idiot's Guide to Extreme Sudoku' is the newest entry into this white hot market, offering 240 of the toughest Sudoku puzzles you'll find anywhere. Matt Gaffney - known throughout the gaming community as the champion crossword puzzler and creator - has taken this unique book to new heights of difficulty, complete with strategies and puzzle-busting hints plus a full array of variants on the game.