{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mammoth Cave: The World's Longest Cave System (Famous Caves of the World)","author_name":"Brad Burnham","thumbnail_url":"https://www.ebooknetworking.net/books/082/396/big082396258X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-082396258X.html\">Mammoth Cave: The World&#039;s Longest Cave System (Famous Caves of the World)</a>","width":400,"height":300}