{"product_id":"green-belt-kakuro-150-puzzles-9781402739347","title":"Green Belt Kakuro: 150 Puzzles","description":"Kakuro are language-free number puzzles that use 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":50634830774546,"sku":"9781402739347","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_3e0e983a-8348-45e5-b13a-ca4e717f5945.jpg?v=1732822968","url":"https:\/\/surprise-castle.myshopify.com\/products\/green-belt-kakuro-150-puzzles-9781402739347","provider":"Surprise Castle","version":"1.0","type":"link"}