Christmas Sudoku Puzzle Book for Adults

Sharpmynd Sudoku Puzzles: Challenging Puzzles, Over 700 Super-Difficult Puzzles from the Japanese Masters Who Invented the Game . - There are 700 Large Print Sudoku puzzles to solve in this puzzle book for adults. - Puzzle games can help to enhance your memory skills and stimulate your mind.* Features: - 8.5x11 grid. 4 puzzle per page. - 700 Sudoku puzzles, easy to very hard. - Large font - easy to read - ideal for seniors and low vision. - Solutions are provided at the back of the book.