{"product_id":"9781250891495","title":"Will Shortz Presents the Super Book of Serious Sudoku : 300 Challenging Puzzles","description":"\u003cp\u003eFor those who are serious experts in sudoku comes a new collection that's both challenging and convenient in a portable, pocket-sized trim. This volume of 300 devilishly difficult sudoku puzzles is the perfect recipe for hours of puzzle-solving fun. \u003c\/p\u003e\n\n\u003cp\u003eFeatures:\n\u003cbr\u003e- 300 hard sudoku puzzles\n\u003cbr\u003e- Big grids for easy solving\n\u003cbr\u003e- Introduction by puzzlemaster Will Shortz\u003c\/p\u003e","brand":"Saint Martin's Griffin,U.S.","offers":[{"title":"Default Title","offer_id":49054598988003,"sku":"00000_00000_00000_00000","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/3758\/6147\/files\/9781250891495-1.jpg?v=1788376523","url":"https:\/\/usa.kinokuniya.com\/ja\/products\/9781250891495","provider":"Books Kinokuniya USA","version":"1.0","type":"link"}