100 sudoku Mindpuzzles in large print!Improve your memory, stimulate your brain and enhance your concentration as you boost your minds capability in the exciting world of sudoku!Contribute towards a great cause enjoying hours of fun knowing that every "Mindpuzzle" book you purchase, a share of profits will be donated to support the "Alzheimer's Society". A great tutorial for new Mindpuzzle learners, returning sudoku veterans and suitable for seniors so riddle your imagination and bring your brain game!Easy to read large printHow to play sudoku tutorialOne sudoku puzzle for every page134 PagesHours of entertainment