Evil Sudoku is not meant to be kind or easy. It's meant to be a challenge! Are you, or do you know someone, who likes difficult Sudoku puzzles? This is the book

Have you worn out all of your pencils mastering ever-changing Sudoku puzzles? Have you stepped up your game to the next level and now seek something a little mo

With 150 all-new and unique Su Doku, Kakuro, and Hanjie puzzles of increasing levels of difficulty, this handbook contains full instructions to each game, along

Everyone knows sudoku is enjoyable--but these addictive puzzles come in endless variations too! They range from simple to very difficult, and can take almost no