{"product_id":"sudoku-collection-alena-gurin-9781689151597","title":"Sudoku Collection: 200 Medium Anti-Knight Sudoku Puzzles 9x9","description":"200 excellent puzzles 9x9 at the level of Medium. Perfect for Beginners and Intermediate players. All riddles have only 1 solution. 2 puzzles per page.The font size is correct, you will not have to strain your eyes when solving puzzles. High quality paper and print (all puzzles read well, easy to write with pen and pencil without worry of bleed-through). The goal of Anti-Knight Sudoku is to fill in the empty cells, one number in each, so that each column, row, and region contains each number exactly once and all cells at a chess knight move (at a distance of 2 by 1) must hold different numbers.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Alena Gurin\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1689151595\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781689151597\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Independently Published\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 08\/28\/2019\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 122\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.38lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.02h x 5.98w x 0.26d","brand":"Alena Gurin","offers":[{"title":"Paperback","offer_id":46602765500671,"sku":"9781689151597","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_3ce0a3bb-c47d-4b59-95dd-6778457f0d5b.jpg?v=1739695216","url":"https:\/\/www.whiterainbookhouse.com\/products\/sudoku-collection-alena-gurin-9781689151597","provider":"WR Book House","version":"1.0","type":"link"}