{"product_id":"killer-windoku-sudoku-mania-9781704929637","title":"Killer Windoku: 200 Medium 9x9 Killer Extra Region Sudoku","description":"The objective is to fill the grid with numbers from 1 to 9 in a way that the following conditions are met: Each row, column, and nonet contains each number exactly once.The sum of all numbers in a cage must match the small number printed in its corner.No number appears more than once in a cage. (This is the standard rule for killer sudokus, and implies that no cage can include more than 9 cells.)Sudoku may contain additional four regions 3 x 3\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Sudoku Mania\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1704929636\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781704929637\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/03\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 122\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.38lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.02h x 5.98w x 0.26d","brand":"Sudoku Mania","offers":[{"title":"Paperback","offer_id":46974636818687,"sku":"9781704929637","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_e7ba1361-3d40-4e37-8fde-d03135b08084.jpg?v=1750875614","url":"https:\/\/www.whiterainbookhouse.com\/products\/killer-windoku-sudoku-mania-9781704929637","provider":"WR Book House","version":"1.0","type":"link"}