Boost your brainpower with these fun and engaging sudoku puzzles More than 210 sudoku puzzles for a stress-free challenge to spend your time. Puzzles help you relax and focus, as well as maintain good mental fitness. Sudoku is perfect for those who love a logic challenge Sudoku grids are large, easy to read, and simple to fill out. Answer key in the back of the book.
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 $20. ThriftBooks.com. Read more. Spend less.