{"product_id":"400-chain-hard-very-basford-holmes-9781728725703","title":"400 Chain Hard - Very Hard Classic Puzzles 9 X 9 + Bonus 250 Veteran Sudoku: Holmes Is a Perfectly Compiled Sudoku Book. Master of Puzzles Chain Sudok","description":"The way to mastery of Sudoku  Sudoku consists of a chain of circles. Figures are arranged in circles in such a way that horizontally and vertically all numbers are different. In the links of one chain, the numbers should not be repeated. 200 Professional (Hard levels). 200 Veteran (Very hard levels). + bonus in 250 classics very hard Sudoku 9 x 9 (bonus puzzles need to be downloaded and printed). Only 1 verified solution. All answers are at the end of the book. Original puzzles. A great book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Basford Holmes\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1728725704\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781728725703\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\/12\/2018\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 106\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.58lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.22d","brand":"Basford Holmes","offers":[{"title":"Paperback","offer_id":44069037572351,"sku":"9781728725703","price":8.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_b61eff82-af95-483c-939a-283a9971849c.jpg?v=1685422441","url":"https:\/\/www.whiterainbookhouse.com\/products\/400-chain-hard-very-basford-holmes-9781728725703","provider":"WR Book House","version":"1.0","type":"link"}