{"product_id":"absolutely-nastyr-sudoku-level-3-9781454968924","title":"Absolutely Nasty(r) Sudoku Level 3","description":"The difficulty level soars, as even more tricks get added to the mix: X-Wing; Swordfish; XY-Wing; XYZ-Wing; and the Gordonian Rectangle.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAbout the Author\u003c\/b\u003e\u003cbr\u003e\u003cb\u003eFrank Longo\u003c\/b\u003e creates, fact-checks, and edits crossword puzzles, and also specializes in sudoku, having published more than 150 sudoku books. His books have sold more than 5 million copies. His wide array of titles encompasses both standard and variety sudoku puzzles, and includes \u003ci\u003eBeyond Black Belt Sudoku\u003c\/i\u003e, \u003ci\u003eWay Beyond Black Belt Sudoku, The Nastiest Sudoku Book Ever, Pause for Puzzles: Sudoku for Mindfulness, \u003c\/i\u003e\u003ci\u003eSip \u0026amp; Solve Simple Sudoku, Blockbuster Book of Sudoku, \u003c\/i\u003e\u003ci\u003ePuzzlewright Guide to Solving Sudoku\u003c\/i\u003e (with Peter Gordon), and \u003ci\u003eSkill Builder Sudoku\u003c\/i\u003e (with Peter Gordon).\u003cbr\u003e","brand":"Puzzlewright Press","offers":[{"title":"Default Title","offer_id":52179995722002,"sku":"9781454968924","price":11.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_158e8c54-8a2b-4a57-b921-bf37c3a90d19.jpg?v=1775643209","url":"https:\/\/surprise-castle.myshopify.com\/products\/absolutely-nastyr-sudoku-level-3-9781454968924","provider":"Surprise Castle","version":"1.0","type":"link"}