{"product_id":"calcudoku-puzzle-books-400-easy-to-master-puzzles-8x8-volume-9-9798606833108","title":"Calcudoku Puzzle Books - 400 Easy to Master Puzzles 8x8 (Volume 9)","description":"\u003cp\u003e • Author(s): Dart Veider\u003cbr\u003e • Publisher: Independently Published\u003cbr\u003e • Publisher Imprint: Independently Published\u003cbr\u003e • BISAC: Puzzles\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 (+), subtraction (-), multiplication (×), and division ( ).\u003cbr\u003e- Unlike Killer Sudoku, digits may repeat within a block.\u003c\/p\u003e","brand":"Independently Published","offers":[{"title":"Paperback","offer_id":45554381324439,"sku":"9798606833108","price":1099.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/3471\/1191\/files\/9798606833108.webp?v=1767915380","url":"https:\/\/atlanticbooks.com\/products\/calcudoku-puzzle-books-400-easy-to-master-puzzles-8x8-volume-9-9798606833108","provider":"Atlantic Books","version":"1.0","type":"link"}