{"product_id":"150-hard-21x21-sudoku-puzzles-tommy-wohlfahrt-9798697876541","title":"150 Hard 21x21 Sudoku Puzzles for Experienced Puzzlers: Puzzle Book with Solutions - Perfect as a Gift for Grandma","description":"\u003cp\u003eThis book contains \u003cstrong\u003e150 new and Hard 21x21 Sudoku Puzzles\u003c\/strong\u003e with solutions. Thus this puzzle book is suitable for \u003cstrong\u003eExperienced Puzzlers\u003c\/strong\u003e in search of a multitude of \u003cstrong\u003echallenges\u003c\/strong\u003e.\u003c\/p\u003e\u003cp\u003eYou can find can find the solutions for each puzzle. With this you can check at the end whether you have puzzled correctly or not.\u003c\/p\u003eHow to play 21x21 Sudoku\u003cp\u003eThe Sudoku Puzzles in this book consist of a 21x21 grid. It is divided into twenty-one 7x3 grids. The goal is that in each 7x3 grid, as well as in each row and column the numbers 1 to 21 occur exactly once.\u003c\/p\u003e\u003cp\u003eHave fun puzzling or giving away a lot of \u003cstrong\u003ePuzzle fun\u003c\/strong\u003e!\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Tommy Wohlfahrt\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9798697876541\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\/14\/2020\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 156\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.83lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.02h x 8.50w x 0.33d","brand":"Tommy Wohlfahrt","offers":[{"title":"Paperback","offer_id":47203170353407,"sku":"9798697876541","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_211165af-3583-41b8-ae9d-2942fa92f8ed.jpg?v=1756834554","url":"https:\/\/www.whiterainbookhouse.com\/products\/150-hard-21x21-sudoku-puzzles-tommy-wohlfahrt-9798697876541","provider":"WR Book House","version":"1.0","type":"link"}