The author of Sudoku Genius returns with 144 challenging new puzzles and a master class in the very most advanced and elegant solving methods. The logical beauty of Sudoku is laid bare in clear, easy-to-follow lessons that will take you down routes of thought that you might not have encountered before, including:

- Swordfish
- X-Wing
- Double Channeling
- Uniqueness

Start with a Sudoku 101 refresher course in basic rules and techniques before moving up to methods formerly only whispered about in the halls of the mathematics department. By the end of this book, you...