{"product_id":"sudoku-windoku-200-hard-dart-veider-9781729812884","title":"Sudoku Windoku - 200 Hard to Master Puzzles 9x9 (Volume 7)","description":"\u003cb\u003eSudoku\u003c\/b\u003e (also known as \"\u003ci\u003eNumber Place\u003c\/i\u003e\") is a placement puzzle.\u003cbr\u003eThe puzzle is most frequently a 9 x 9 grid made up of 3 x 3 subgrids (called \"regions\"). \u003cbr\u003eSome cells already contain numbers, known as \"givens\". \u003cbr\u003eThe goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1 through 9 exactly once.\u003cbr\u003eEach number in the solution therefore occurs only once in each of three \"directions\", hence the \"single numbers\" implied by the puzzle's name. \u003cp\u003e\u003c\/p\u003e\u003cb\u003eWindoku\u003c\/b\u003e (also known as \"\u003ci\u003eFour-Box Sudoku\u003c\/i\u003e\", \"\u003ci\u003eHyper Sudoku\u003c\/i\u003e\") is a variant of sudoku, contain additional four regions 3 x 3. \u003cp\u003e\u003c\/p\u003eThe puzzle book contain: \u003cbr\u003e- 200 Puzzles\u003cbr\u003e- Handy 6 x 9 inch Book Layout\u003cbr\u003e- 2 Puzzles per Page\u003cbr\u003e- Ideal for Experts \u003cp\u003e\u003c\/p\u003eIn the book you will find a description and examples of solutions for all puzzles.\u003cbr\u003eThe book is for those who like logic and math problems. Decide, developing and improving.\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Dart Veider\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1729812880\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781729812884\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Createspace Independent Publishing Platform\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 11\/23\/2018\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 138\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.43lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.30d","brand":"Dart Veider","offers":[{"title":"Paperback","offer_id":43984222650623,"sku":"9781729812884","price":7.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_64842854-707b-42be-b861-955f5b7b8f1b.jpg?v=1683271165","url":"https:\/\/www.whiterainbookhouse.com\/products\/sudoku-windoku-200-hard-dart-veider-9781729812884","provider":"WR Book House","version":"1.0","type":"link"}