{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Northern Naval Superiority and the Economics of the American Civil War","author_name":"David G. Surdam","thumbnail_url":"https://www.ebooknetworking.net/books/157/003/big1570034079.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1570034079.html\">Northern Naval Superiority and the Economics of the American Civil War</a>","width":400,"height":300}