{"product_id":"calcudoku-9x9-hard-nick-snels-9781503350403","title":"CalcuDoku 9x9 - Hard - Volume 10 - 276 Puzzles","description":"\u003cp\u003eCalcuDoku is a fun and addicting logic puzzle game that combines Sudoku with math. CalcuDoku is a fun way for kids and adults to practice addition, subtraction, multiplication, and division facts. This book is ideal for you if you love to solve difficult CalcuDoku 9x9 puzzles. You do not need to wade through tons of easy CalcuDoku puzzles before getting to the real brain teasers. Once you pick up this book, you won't be able to put it back down. You have been warned \u003c\/p\u003e \u003cp\u003eCalcuDoku 9x9 - Hard is a collection of 276 puzzles: \u003c\/p\u003e \u003cul\u003e \u003cli\u003e216 hard CalcuDoku 9x9 puzzles\u003c\/li\u003e \u003cli\u003e60 extra logic puzzles\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003eI guarantee that every logic puzzle in this CalcuDoku puzzle book has been carefully checked to ensure that each puzzle has only 1 solution.\u003c\/p\u003e \u003cp\u003eNone of the puzzles in this book will appear in any of the other English PuzzleBooks.net books.\u003c\/p\u003e \u003cp\u003eCalcuDoku is also known as Square Wisdom, CanCan, MinuPlu, Mathdoku and Calcu-Doku.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Nick Snels\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1503350401\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781503350403\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\/22\/2014\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 182\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.55lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 9.00h x 6.00w x 0.39d","brand":"Nick Snels","offers":[{"title":"Paperback","offer_id":46383922512127,"sku":"9781503350403","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_b8bfc109-2b7a-453f-87c2-2335f20ce326.jpg?v=1733282086","url":"https:\/\/www.whiterainbookhouse.com\/products\/calcudoku-9x9-hard-nick-snels-9781503350403","provider":"WR Book House","version":"1.0","type":"link"}