{"product_id":"futoshiki-puzzle-books-400-dart-veider-9781703769487","title":"Futoshiki Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5)","description":"\u003cb\u003eFutoshiki\u003c\/b\u003e (from Japanese, literally \"\u003ci\u003enot equal\u003c\/i\u003e\"; also known as \"\u003ci\u003eHutoshiki\u003c\/i\u003e\", \"\u003ci\u003eUnequal\u003c\/i\u003e\") is a logic puzzle. \u003cp\u003e\u003c\/p\u003eThe puzzle is played on a square grid, such as 9 x 9. The objective is to place the numbers 1 to 9 (or whatever the dimensions are) such that each row, and column contains each of the digits 1 to 9. \u003cp\u003e\u003c\/p\u003eSome digits may be given at the start. In addition, inequality constraints are also initially specified between some of the squares, such that one must be higher or lower than its neighbour. \u003cbr\u003eThese constraints must be honoured as the grid is filled out.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Dart Veider, Dmytro Khomiak\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1703769481\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781703769487\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 10\/30\/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 9.02h x 5.98w x 0.51d","brand":"Dart Veider","offers":[{"title":"Paperback","offer_id":46217051242751,"sku":"9781703769487","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_79d82672-336b-4ee7-be02-efc497d46ed6.jpg?v=1728514137","url":"https:\/\/www.whiterainbookhouse.com\/products\/futoshiki-puzzle-books-400-dart-veider-9781703769487","provider":"WR Book House","version":"1.0","type":"link"}