Sudoku Puzzle Book Series by Anna James. This Book Contains 50 easy, 50 Medium, 50 Hard and 50 Extra-Hard difficulty Sudoku Puzzles with answers, for beginners and experienced Sudoku Puzzlers.
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.