Sudoku can be fun and engaging, while training your brain to stay sharp! With more than 101 puzzles and 4 levels of difficulty, this puzzle book is sure to keep people of all experience levels busy for hours on end. Every puzzle is spread out on one full page, solving will be easy on your eyes but not on your mind! Perfect for adults and seniors who are visually impaired Suitable for all levels: beginner to expert26 Easy, 26 Normal, 26 Medium, 26 Hard Large print sudoku puzzles with 1 puzzle per page. Solutions after every level of difficulty Puzzle book is 161 pages measuring 8.5" x 11"