{"product_id":"calcudoku-puzzles-200-normal-david-smith-9781095764978","title":"CalcuDoku Puzzles - 200 Normal Puzzles 9x9 vol.18","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\u003cb\u003eAuthor:\u003c\/b\u003e David Smith\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1095764977\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781095764978\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 04\/24\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 118\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.37lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.25d","brand":"David Smith","offers":[{"title":"Paperback","offer_id":43923992314111,"sku":"9781095764978","price":6.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/products\/img_ae258116-dd84-429a-bcc2-3dbd732eade9.jpg?v=1681067851","url":"https:\/\/www.whiterainbookhouse.com\/products\/calcudoku-puzzles-200-normal-david-smith-9781095764978","provider":"WR Book House","version":"1.0","type":"link"}