The Ultimate Sudoku Puzzle BookGrab this massive classic Sudoku puzzles of varying difficulty levels, expertly designed and graded.There are plenty of puzzles to enjoy in this jumbo compilation, with 3 different levels of difficulty, which makes it suitable for everyone in love with this super addictive game:100 Easy puzzles for beginners and intermediate or when you want to relax.100 Medium problems which will give a bigger challenge to your brain.50 hard problem which will improve your thinking skills. This book with hundreds of hours of fun inside makes a great gift!We've had your entertainment and convenience in mind when designing this book and thought about the small details which make a difference: Wide center margins making it easier to work on the puzzles when you open or fold the bookThis also makes it easy to tear out the pages if you want toBigger font and better quality paper than newspapers and magazines - easy to read and write on without worry of bleed-throughProblem levels have been expertly assessed for consistency4 problems per page and answers at the end of the boo