{"product_id":"sudoku-stak-richard-john-9781618971784","title":"Sudoku-Stak: The 3-Dimensional Logic Puzzle -- Book 1","description":"\"I truly LOVE your puzzles. Thank you for a new and challenging twist on the sudoku puzzle. These are, by far, my favorite variation.\" - Jane, Bethesda, USA \"This very interesting advancement to the puzzle has rekindled my family's interest in sudoku. It's just amazing that so many numbers can go together in only one way.\" - Peter, Banstead, UK \"After finishing my first sudoku puzzle, I was hooked. Having them in 3-D form only makes me want to do them 3 times more  Thank you for cubing the complexity of the challenge.\" - Rory, Buderim, AUS About the Author: Richard John is the mastermind behind this uniquely challenging form of Sudoku that expands the 2-dimensional puzzle into a mind-bending cube of seemingly unsolvable numbers. His engineering background and perseverance helped create what you hold in your hands today. Richard runs a family business and teaches yoga. He lives with his wife, Claire, in Harare, Zimbabwe. Publisher's website: http: \/\/sbpra.com\/RichardJohn\u003cbr\u003e\u003cbr\u003e\u003cb\u003eAuthor:\u003c\/b\u003e Richard John\u003cbr\u003e\u003cb\u003eISBN-10:\u003c\/b\u003e 1618971786\u003cbr\u003e\u003cb\u003eISBN-13:\u003c\/b\u003e 9781618971784\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Strategic Book Publishing\u003cbr\u003e\u003cb\u003eLanguage:\u003c\/b\u003e English\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 01\/30\/2012\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 92\u003cbr\u003e\u003cb\u003eFormat:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.52lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 11.00h x 8.50w x 0.19d","brand":"Richard John","offers":[{"title":"Paperback","offer_id":43979401265407,"sku":"9781618971784","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0662\/2982\/9887\/files\/img_64b3f2d4-cd03-416f-bb9d-1da8bc9b47bc.jpg?v=1683245344","url":"https:\/\/www.whiterainbookhouse.com\/products\/sudoku-stak-richard-john-9781618971784","provider":"WR Book House","version":"1.0","type":"link"}