Sudoku is a fun number game that can enhance critical thinking, boost memory, and foster logical reasoning. Its satisfying to finish each puzzle and notice your skills improve the further you play. - provides instructions on how to play Sudoku - Includes 60 games, 15 per level - Easy (Beginner, Novice), Medium (Intermediate), Hard (Advanced), and Expert Levels - Includes Answer Key It is recommend to try to use the answer key the least you can, as it will enhance and speed up your experience with improving your logical reasoning and deduction skills.
ThriftBooks sells millions of used books at the lowest
everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We
deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15.
ThriftBooks.com. Read more. Spend less.