SUDOKU FOR YOU It keeps you practicing your logical thinking process when you are solving a puzzle, and eventually improve your number skills. Reduces the chances of developing Alzheimers by keeping your brain active. Learns to do things quickly.
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.