The puzzles and solutions in this wonderful collection are presented in large-print type, making them easy on the eye and extremely enjoyable to solve.* EASY-TO-READ PUZZLES AND SOLUTIONS: Large-print type with plenty of space around the puzzles means that you won't strain your eyes as you solve them.* IMPROVE YOUR SOLVING SKILLS: Each puzzle is graded, from beginner to expert, so you can enjoy the satisfaction of seeing your skill improve as you work through the levels.* EXERCISE YOUR BRAIN: Give your mind a great workout as you find where each missing number fits.* REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.