{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Impending Crisis: America Before the Civil War: 1848-1861","author_name":"David M. Potter, Don E. Fehrenbacher, Eric Martin, Tantor Audio,","thumbnail_url":"https://www.ebooknetworking.net/books/B06/XJN/bigB06XJNJYN6.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B06XJNJYN6.html\">The Impending Crisis: America Before the Civil War: 1848-1861</a>","width":400,"height":300}