9You don't got to be a math whiz to enjoy an excellent sudoku puzzle! Sharpen your mind and have some fun with this great collection of sudokus, including over 44 challenges across four difficulty levels (Warm-Up, Challenging, Tough, and therefore the ultimate Samurai Sudoku!) a must have for all Sudoku enthusiasts.-Over 44 PUZZLES & SOLUTIONS: Hours of fun and entertainment to enjoy!-VARIETY OF LEVELS: From levels 1 to three increasing levels of difficulty including Warm Up, Challenging and hard . once you are done, test your skills on the last word Samurai Sudoku Puzzle - 5 puzzles linked together by a central puzzle! are you able to become a master samurai?-LAY FLAT: Spiral-bound lays flat for simple use reception or on the go. Whether your drinking your morning coffee, riding on the train or relaxing on vacation this sudoku book can accompany you.-MAKES an excellent GIFT: For the sudoku puzzle lover, this books makes an excellent gift for any occasion! Birthday, stocking suffers, road trip or more, everyone will love it!