{"product_id":"white-belt-kakuro-150-puzzles-9781402739330","title":"White Belt Kakuro: 150 Puzzles","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":50719164629266,"sku":"9781402739330","price":8.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_9ea168e3-e0d2-4157-925f-9300590a4f54.jpg?v=1734660781","url":"https:\/\/surprise-castle.myshopify.com\/products\/white-belt-kakuro-150-puzzles-9781402739330","provider":"Surprise Castle","version":"1.0","type":"link"}