100 Large Print Sudoku Puzzles: Fun With Numbers, Hard Puzzles.Sudoku a game that millions of people around the world love to play, originating from Japan. This is a great skill building game. Once the bug gets you that is it, you're hooked for life! This numbers game is based upon logic. This is a beginners stage book which is perfect for any age! Challenge your brain and order one today!This book features the following:100 puzzle gridsHard Level PuzzlesLarge print font for prevention of eye-strainAll Solutions (found towards the back) 8.5" x 11" TrimA fun tidbit, the American Alzheimer's Association endorses Sudoku as a "brain game" that might help to reduce risk of dementia as we get older!