{"product_id":"9781402771866","title":"Killer Sudoku: The Lethally Addictive Sudoku Variant","description":"Sudoku for the brave of heart! Sharp-minded solvers willing to venture into dangerous puzzle territory will find satisfaction navigating these killer sudoku. Each one looks like a regular sudoku, but with a challenging twist: there are also additional boxes surrounding sets of squares. Those boxes contain tiny numbers that tell you the sum of the digits inside the box. It's a brain-stretching variation that will delight sudoku fans everywhere.\u003cp\u003e\u003c\/p\u003e","brand":"Puzzlewright","offers":[{"title":"Default Title","offer_id":47040795607280,"sku":"9781402771866","price":7.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9781402771866_p0.jpg?v=1763715998","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9781402771866","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}