{"product_id":"100-challenging-calcudokus","title":"100 Challenging CalcuDokus","description":"\u003cp\u003eThis book contains 100 difficult CalcuDoku puzzles. CalcuDokus, introduced in 2004 as KenKen¨ (a registered trademark of Nextoy LLC), is a 9x9 numeric puzzle similar to Sudoku. But, unlike Sudoku, CalcuDoku doesn't require you to learn complex strategies.\u003c\/p\u003e","brand":"Giulio Zambon","offers":[{"title":"Paperback","offer_id":44438553952417,"sku":"9781291165654","price":29.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/125qg2qz-front-shortedge-384.jpg?v=1748398844","url":"https:\/\/bookswholesale.myshopify.com\/products\/100-challenging-calcudokus","provider":"BooksWholesale","version":"1.0","type":"link"}