{"product_id":"books-brown-belt-sudoku-variants-by-conceptis-puzzles","title":"Brown Belt Sudoku Variants","description":"Get ready to fight your way to the top of the sudoku ranks! Each book in this Martial Arts sudoku series will contain 300 puzzles, with a different blend of sudoku variants depending on the difficulty level. Brown Belt Sudoku Variants will include puzzle types featured in the Green Belt at a higher level, as well as some additional variants.","brand":"World of Books ","offers":[{"title":"Default Title","offer_id":53503790219537,"sku":null,"price":0.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0784\/4072\/6801\/files\/9781454950660.jpg?v=1778075067","url":"https:\/\/www.worldofbooks.com\/en-gb\/products\/books-brown-belt-sudoku-variants-by-conceptis-puzzles","provider":"World of Books ","version":"1.0","type":"link"}