{"product_id":"seconddegree-green-belt-sudoku-martial-arts-puzzles-9781402737152","title":"SecondDegree Green Belt Sudoku Martial Arts","description":"\u003cb\u003eBook Synopsis\u003c\/b\u003e\u003cbr\u003eWith 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":49529311527255,"sku":"9781402737152","price":11.77,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/bookcurl.com\/products\/seconddegree-green-belt-sudoku-martial-arts-puzzles-9781402737152","provider":"Book Curl","version":"1.0","type":"link"}