TIC CAT Brain Games, Maths and Language Words Presents Big Sudoku Book with 555 Puzzles Solving Sudoku is a lot of fun and very easy to learn. Have fun with this Sudoku book! You will find 555 Puzzles to solve. Sudoku is a good logic game for a carefree hobby. You can unwind and relax, but also Sudoku is amazing in improving memory, critical thinking, reasoning, and problem-solving. Here we test intelligence and understanding. Taking care of your brain is just as important as taking care of your body. While all puzzles are beneficial to brain health, different types of puzzles focus on different mental skills. Crossword puzzles improve vocabulary, Cryptograms challenge deductive reasoning, and Sudoku improves number sense. Each puzzle in this brain health book for adults begins with an instructional warm-up and a brief explanation of its brain health benefits. Choose the puzzle that best suits your mood and have hours of brain-teaser fun. Any good workout strengthens you over time, and the puzzles in this book are no exception. Unlike other adult puzzle books, these puzzles progress through four different challenge levels, allowing you to see your puzzling skills improve while also strengthening your mind. Sharpen your pencils and start building brainpower right away with the best adult puzzle book for brain health.