{"product_id":"sudoku-mathrax-200-normal-dart-veider-9781729602355","title":"Sudoku Mathrax - 200 Normal Puzzles 9x9 (Volume 23)","description":"\u003cb\u003eMathrax\u003c\/b\u003e consists of a square grid.\u003cbr\u003eThe goal is to fill in each cell with numbers from 1 to N, where N is the size of the puzzle's side.\u003cbr\u003eNo number may appear twice in any row or column.\u003cbr\u003eCircles with additional conditions may be situated on intersections of lines inside the grid. \u003cp\u003e\u003c\/p\u003eA number and a sign of mathematical operation (addition, subtraction, multiplication, division) - a number is a result of an operation execution with numbers in diagonally adjacent cells.\u003cbr\u003eA letter \"\u003cb\u003eE\u003c\/b\u003e\" (\"even\") - all numbers in four cells are even.\u003cbr\u003eA letter \"\u003cb\u003eO\u003c\/b\u003e\" (\"odd\") - all numbers in four cells are odd. \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 Beginners \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 1729602355\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781729602355\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 10\/28\/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 9.02h x 5.98w x 0.30d","brand":"Dart Veider","offers":[{"title":"Paperback","offer_id":44540607168767,"sku":"9781729602355","price":7.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_a25ff27a-0957-42bd-9d5f-04710f3a9443.jpg?v=1700588855","url":"https:\/\/www.whiterainbookhouse.com\/products\/sudoku-mathrax-200-normal-dart-veider-9781729602355","provider":"WR Book House","version":"1.0","type":"link"}