{"product_id":"100-double-calcudokus","title":"100 Double CalcuDokus","description":"\u003cp\u003eThis book contains 100 Double CalcuDoku puzzles.\u003c\/p\u003e\n\n\u003cp\u003eCalcuDokus, 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.  A Double CalcuDoku is obtained by overlapping two CalcuDoku puzzles.\u003c\/p\u003e\n\n\u003cp\u003eIt's a great puzzle that is fun to play, and there are no other books that let you play it.\u003c\/p\u003e","brand":"Giulio Zambon","offers":[{"title":"Paperback","offer_id":44438146318497,"sku":"9781470996802","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/1nqkkm59-front-shortedge-384.jpg?v=1748295631","url":"https:\/\/bookswholesale.myshopify.com\/products\/100-double-calcudokus","provider":"BooksWholesale","version":"1.0","type":"link"}