Sudokus are the ever-popular number placement puzzles that give your brain an excellent mental workout. Spanning four increasingly difficult levels to challenge all abilities of solver, and presented in an easy-to-read, large-print type, this collection is perfect for any puzzle lover that prefers larger letters. - LARGE PRINT: Put your reading glasses away! This large-print book allows you to puzzle away without straining your eyes. - EXERCISE YOUR BRAIN: Give your mind a great workout as you pit your wits against these number-placement teasers.- REDUCE STRESS: Feel your stress melt away as you focus on these satisfying puzzles.