{"product_id":"calcudoku-puzzle-books-400-dart-veider-9781691396382","title":"Calcudoku Puzzle Books - 400 Easy to Master Puzzles 6x6 (Volume 2)","description":"\u003cb\u003eCalcudoku\u003c\/b\u003e (also known as \"\u003ci\u003eMathdoku\u003c\/i\u003e\") is a mathematical and logical puzzle loosely similar to Sudoku.\u003cbr\u003eThe objective is to fill the grid in with the digits 1 through N (where N is the number of rows or columns in the grid) such that: \u003cbr\u003e - Each row contains exactly one of each digit.\u003cbr\u003e- Each column contains exactly one of each digit.\u003cbr\u003e- Each bold-outlined group of cells (block) contains digits which achieve the specified result using the specified mathematical operation: addition (+), subtraction (-), multiplication (ﾗ), and division ( ).\u003cbr\u003e- Unlike Killer Sudoku, digits may repeat within a block.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Dart Veider, Dmytro Khomiak\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1691396389\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781691396382\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 09\/06\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 240\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.72lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.51d","brand":"Dart Veider","offers":[{"title":"Paperback","offer_id":44126219305215,"sku":"9781691396382","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_364aa9e8-daff-4545-b6a9-b25ae9a1230e.jpg?v=1687446933","url":"https:\/\/www.whiterainbookhouse.com\/products\/calcudoku-puzzle-books-400-dart-veider-9781691396382","provider":"WR Book House","version":"1.0","type":"link"}