The best way to beat a Boring Day? Raining Days? Increase the potential of your mind getting a Super Collection of 100 Hard Sudoku Puzzle!¿ A special mix of hard Sudoku puzzles suitable for all.¿ Large 8.5" x 11" page size, with spacing between sentences¿ Set of hints and answers to assist you if you get stuck Scroll up and Add this Book to your cart Now!