{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Beyond Mammoth Cave: A Tale of Obsession in the World's Longest Cave","author_name":"James D. Borden, Roger W. Brucker","thumbnail_url":"https://www.ebooknetworking.net/books/080/932/big080932346X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-080932346X.html\">Beyond Mammoth Cave: A Tale of Obsession in the World&#039;s Longest Cave</a>","width":400,"height":300}