Sudoku Master Class

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 f…