{"product_id":"calcudoku-puzzles-200-hard-puzzles-7x7-vol-11","title":"Calcudoku Puzzles - 200 Hard Puzzles 7X7 Vol.11","description":"Each puzzle consists of a grid containing blocks surrounded by bold lines. The object is to fill all empty squares so that the numbers 1 to N (where N is the number of rows or columns in the grid) appear exactly once in each row and column and the numbers in each block produce the result shown in the top-left corner of the block according to the math operation appearing on the top of the grid. In CalcuDoku a number may be used more than once in the same block.\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003e| \u003cb\u003eAuthor: \u003c\/b\u003eDavid Smith\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003ePublisher: \u003c\/b\u003eIndependently Published\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003ePublication Date: \u003c\/b\u003eApr 24, 2019\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003eNumber of Pages: \u003c\/b\u003e116 pages\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003eLanguage: \u003c\/b\u003eEnglish\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003eBinding: \u003c\/b\u003ePaperback\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003eISBN-10: \u003c\/b\u003e1095745298\u003c\/li\u003e\n\u003cli\u003e| \u003cb\u003eISBN-13: \u003c\/b\u003e9781095745298\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ReComparo.com","offers":[{"title":"Default Title","offer_id":67920924934459,"sku":"9781095745298","price":13.26,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0121\/1475\/5646\/files\/9781095745298__24555_7d61429f-d751-4967-b0d5-5555abce7047.jpg?v=1794104714","url":"https:\/\/greatcallathletics.com\/products\/calcudoku-puzzles-200-hard-puzzles-7x7-vol-11","provider":"Great Call Athletics","version":"1.0","type":"link"}