{"product_id":"brown-belt-kakuro-9781402739354","title":"Brown Belt Kakuro","description":"Kakuro are language-free number puzzles that use pure logic and require just simple arithmetic to solve. This book contains 150 kakuros. It takes cue from the belt colors in martial arts: white is for novices, green for intermediates, brown for very accomplished players, and black for those consummate experts who crave a challenge.\u003cbr\u003e","brand":"Puzzlewright","offers":[{"title":"Default Title","offer_id":50629253431570,"sku":"9781402739354","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_766d6e81-bc60-4011-9ba7-e91afdb46f08.jpg?v=1732725795","url":"https:\/\/surprise-castle.myshopify.com\/products\/brown-belt-kakuro-9781402739354","provider":"Surprise Castle","version":"1.0","type":"link"}