Sudoku puzzles are a tantalizing challenge - and a great way to develop your reasoning ability and logical thinking skills. If you love Sudoku, this is the only book you will ever need; it presents 1,001 puzzles (all 9 x 9), which vary widely in their level of difficulty: 200 are super easy (and great for beginners) 200 are easy 200 are moderate 200 are hard And, finally, 201 are really tough puzzles that include letters and symbols (rather than numbers), which test your ability to use your Sudoku wisdom with non-traditional characters. When you start to play, start at the level that works best for you and gradually build your skills. By the end of the book, you will be a seasoned master of this wildly entertaining - and addictive - logic game!.