{"product_id":"calcudoku-puzzles-book-200-oliver-quincy-9798604957615","title":"Calcudoku Puzzles Book - 200 Master Puzzles 9x9 (Volume 9)","description":"\u003cb\u003eAbout Book\u003c\/b\u003eWant to exercise your brainpower and have fun at the same time? Then this book is for you.\u003cbr\u003eThis book introduces you to the amazing world of Calcudoku puzzles. It will help you understand the rules of this puzzle. This book is perfect for players of all ages.\u003cbr\u003eYou will find \u003cb\u003e200\u003c\/b\u003e exciting puzzles, for professionals. \u003cp\u003e\u003c\/p\u003e\u003cb\u003eHOW TO PLAY\u003c\/b\u003eThe objective is to fill the grid in with the digits 1 through 9 (where 9 is the number of rows or columns in the grid) such that: \u003cp\u003e\u003c\/p\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\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Oliver Quincy\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 8604957618\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798604957615\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/26\/2020\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 140\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.43lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.02h x 5.98w x 0.30d","brand":"Oliver Quincy","offers":[{"title":"Paperback","offer_id":44201992356095,"sku":"9798604957615","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_10ff4a08-2dad-48aa-9571-4c5a93c6c6bd.jpg?v=1691492605","url":"https:\/\/www.whiterainbookhouse.com\/products\/calcudoku-puzzles-book-200-oliver-quincy-9798604957615","provider":"WR Book House","version":"1.0","type":"link"}