{"product_id":"calcudoku-plus-puzzle-books-400-easy-to-master-puzzles-9x9-volume-10-paperback","title":"Calcudoku Plus Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 10) - Paperback","description":"\u003cp\u003eby \u003cb\u003eDart Veider\u003c\/b\u003e (Author), \u003cb\u003eDmytro Khomiak\u003c\/b\u003e (Author)\u003c\/p\u003e\u003cp\u003e\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 (+).\u003cbr\u003e- Unlike Killer Sudoku, digits may repeat within a block.\u003c\/p\u003e\u003cdiv\u003e\n\u003cstrong\u003eNumber of Pages:\u003c\/strong\u003e 240\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 0.51 x 9 x 6 IN\u003c\/div\u003e\u003cdiv\u003e\n\u003cstrong\u003ePublication Date:\u003c\/strong\u003e January 30, 2020\u003c\/div\u003e","brand":"Books by splitShops","offers":[{"title":"Default Title","offer_id":47461321179314,"sku":"9798606794829","price":14.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/3891\/1666\/files\/bcfc9008ab1670e4171a3dbdf8381a6e.webp?v=1778946386","url":"https:\/\/box.dadyminds.org\/products\/calcudoku-plus-puzzle-books-400-easy-to-master-puzzles-9x9-volume-10-paperback","provider":"DADYMINDS BOX","version":"1.0","type":"link"}