{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mathematical Mountaintops: The Five Most Famous Problems of All Time","author_name":"John L. Casti","thumbnail_url":"https://www.ebooknetworking.net/books/019/514/big0195141717.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0195141717.html\">Mathematical Mountaintops: The Five Most Famous Problems of All Time</a>","width":400,"height":300}