{"product_id":"9780008673062","title":"The Times Kakuro Book 1 : 200 Mathematical Logic Puzzles by The Times Mind Games","description":"Test your powers of logic with 200 puzzles from The Times          Just like a mathematical crossword, these puzzles are ideal for fans of Su Doku who relish grappling with figures. Contains four levels of difficulty, combining arithmetic with an intersecting layout: Mild, Medium, Tricky and Tough.             Kakuro originated in the United States in the 1950s under the name of Cross Sums. A logic puzzle, the aim is to complete a grid using digits from 1 to 9, with the digits in each row\/column adding up to the clue for that block. It's similar to Su Doku in the sense that digits cannot be repeated in a row\/column.             Also known as: Croco Puzzle, Cross Sums, CrossSam, Kasan Kurosu, Kreuzsummenr?tsel,Tashizan Cross, Zahlenschwede          Are you up to the challenge?\u003cbr\u003eBinding: Paperback \/ softback","brand":"Gardners","offers":[{"title":"Default Title","offer_id":56311523049845,"sku":"9780008673062","price":7.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/7193\/3106\/files\/9780008673062.jpg?v=1762818154","url":"https:\/\/backstory.london\/products\/9780008673062","provider":"Backstory","version":"1.0","type":"link"}