Enjoy a challenging mental workout! Do you feel like your brain is in need of a workout, but you want it to be fun and interesting? Not dull and boring? Do you like number or logic puzzles? Do you enjoy the challenge of solving a hard sudoku puzzle? Then 200 Large Print Hard Sudoku Puzzles Challenge is the perfect brain workout book for you. This book contains: 200 brain challenging sudoku puzzlesIs large print to help reduce eye strain8.5 by 11 format to maximize puzzle solving spaceAnd an answer key at the back of the book Have fun and workout your brain.Buy a copy today and start exercising your brain with 200 Large Print Hard Sudoku Puzzles Challenge an Enjoyable Workout for Your Mind!