Yasuko Challenge - Sudoku Master

This easy-to-carry paperback Sudoku puzzle book is designed for the SUDOKU GENIUS in your life! Each page contains ONE 16X16 puzzle board for a total of 80 puzzles and corresponding solutions. The book is the perfect size to take along with you and tuck inside of your purse, school bag, or glove compartment. When you are tired of staring at your phone and need to remember the feeling of putting pencil to paper, you'll not only pass the time in an educational way, but you'll also gain the benefits of flexing your brain muscle in that special way that only Sudoku can offer! It's also a great gift for kids when you need them to engage in a quiet activity that will give them a great sense of accomplishment. The benefits are numerous, and with the difficulty level set to HARD, you will want to gain mastery over each puzzle board. Sometimes it's good to give your eyes a break from technology, and our Sudoku books are the perfect way to start!