Puzzlers of all ages will love these challenging sudoku puzzles. Sudoku is a great way to build logic and problem-solving skills.Over 200 sudoku puzzles. Five difficulty levels: Easy, Medium, Hard, Difficult, and Expert. Answer key at the back of the book. Spiral bound book lies flat.256 pages.
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.