Wordoku uses letters rather than numbers but the rules are just the same as classic Sudoku200 Wordoku Puzzles 50 Beginner 50 Easy 50 Medium 50 Challenging With solutions
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.