Among Sudoku puzzle books, there are a wide variety of quality levels. The Sudoku books that fans consider to the best. Sure to challenge and thrill, all Sudoku puzzles contained herein will push your ability and understanding while you leaving you completely satisfied. There are puzzles in here that everyone can enjoy, puzzles that will twist your mind and bend your perspective, forcing you to see the page differently in order to conquer the numbers and squares printed on it. The only question is this: do you have what it takes? The samurai were a special class of people in Imperial Japan, trained from a young age to protect the weak and to master themselves and their passions fully and faultlessly. To become a samurai was to become something more than a regular citizen. Discipline, hard work, endurance, fortitude: all these characteristics do not define the samurai so much as qualify one for the opportunity to learn to be one. These are characteristics that you must possess in order to approach these Sudoku puzzles as well. Make no mistake about it: if you are browsing Sudoku books for adults and eager to find something that is challenging, you do not need to look any further. This is it. This is the Sudoku book you have been looking for. Your search can finally come to an end, and you can sit back and relax with this book of puzzles. Let it suck you in; let it take up a whole afternoon, a whole weekend even. There are puzzles here, plenty to last a long time! Features of the puzzle book: The handy size means you can carry your book wherever you roam. Puzzles are pre-checked to eliminate error potential. Other names that are searched for Sudoku: soduko, suduko.