{"product_id":"frank-longo-second-degree-green-belt-sudoku-r-9781402737152","title":"Second-Degree Green Belt Sudoku(r)","description":"With a separate sudoku book for every level, this work helps puzzle lovers play this popular game. Taking a page from karate - another Japanese art, each title is graded by colour: White Belt for easy, Green Belt for medium level, Brown Belt for hard, and Black Belt for the super-tough solvers. Each book includes 300 puzzles.","brand":"Union Square \u0026 Co.","offers":[{"title":"Default Title","offer_id":53752286216534,"sku":null,"price":0.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0925\/5829\/5382\/files\/product_image_9781402737152_1.jpg?v=1778904338","url":"https:\/\/www.momoxbooks.com\/products\/frank-longo-second-degree-green-belt-sudoku-r-9781402737152","provider":"momoxbooks","version":"1.0","type":"link"}