{"product_id":"killer-sudoku-600-sudoku-challenging-puzzles-easy-to-hard-puzzle-book-1100-x-850-9798559411491","title":"Killer Sudoku: 600 Sudoku challenging puzzles (easy to hard): Puzzle Book, 11.00\" x 8.50\"","description":"\u003cp\u003eKiller puzzles uses the same grid as Sudoku and require the reader to fill in the numbers 1 to 9 as before. But this time the numbers in the outlined boxes must also all add up to a specific number.\u003c\/p\u003e\u003cp\u003eAlready hugely popular in the national press, the puzzles are a must for Sudoku fans. With three difficulty ratings, from easy to hard, the 600 brand new Killer Sudoku puzzles in this book will provide a challenge to the most Sudoku addicted.\u003c\/p\u003e\u003cp\u003eChallenge yourself today \u003c\/p\u003e\u003cbr\u003e","brand":"Independently Published","offers":[{"title":"Default Title","offer_id":50861406454034,"sku":"9798559411491","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_75816e0e-6d94-43cb-b632-bd917bade5e6.jpg?v=1737595961","url":"https:\/\/surprise-castle.myshopify.com\/products\/killer-sudoku-600-sudoku-challenging-puzzles-easy-to-hard-puzzle-book-1100-x-850-9798559411491","provider":"Surprise Castle","version":"1.0","type":"link"}