Did you know? – Sudoku puzzles typically use the numbers one through nine but sometimes use images, letters or symbols instead of numbers.
Large Print Hard Level Sudoku Puzzle Books – Easy on Your Eyes, A Challenge For Your Brain
- Large print 8.5″ x 11″ book with one puzzle per page
- Solutions in the back of the book
- 100 challenging and engaging puzzles
- All puzzles rated hard level difficulty
- Perfect for adults looking to keep their minds active
The image below is an example of a hard level Sudoku puzzle from one of our books. Level of difficulty is relative and the rating of puzzles is not a science. The puzzle is shown here so you can judge the difficulty level yourself.
Last update on 2021-01-17 / Affiliate links / Images from Amazon Product Advertising API