Hard Sudoku Puzzle Book: 100 Large Print Hard Sudoku Puzzles For Adults and Seniors (vol.1) Do you love solving hard Sudoku puzzles? With an assortment of 100 hard level Sudoku puzzles here's what you'll find inside this book: One hard level Sudoku puzzle per page Large print - easy to read Solutions to all the puzzles are in the back of the book Size: 8.5x11 This hard level Sudoku puzzle book makes a great gift for yourself or someone who loves Sudoku Ready to join our other satisfied customers? Then order your copy today!