The official utterly addictive number-placing puzzle Give your brain a workout with these all newFiendishly tough puzzles. Their addictive powerwill not only entertain--Su Doku puzzles engageyour mind, improve your concentration, and helpyou stay mentally fit. There's no excuse for slowthinking and flabby wits when you can trainyour brain Beware of pale imitations. These are the original andofficial Su Doku puzzles by Wayne Gould-- New York Post 'sSu Doku puzzle master and one of Time magazine'sMost Influential People.
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.