Put Your Brain through it\'s paces with this Brain Gym book of 400 Hard Sudoku puzzles, perfect for the more experienced player. 8.5 by 11".. 140 pages, 4 Puzzles per page.
Challenge yourself to finish all the Puzzles without cheating This book contains solutions to all the puzzles.
We Exercise our bodies but our brains need a workout too Sudoku helps keep Your Brain healthy and functioning well.
Put Your Brain through it\'s paces with this Brain Gym book of 400 Hard Sudoku puzzles, perfect for the more experienced player