Billed as the next crossword, Sudoku's simplicity is its beauty. Although it is a number game, Sudoku requires no mathematical skills - just a keen grasp of logic and plenty of patience. Ninja Sudoku... This description may be from another edition of this product.
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.