{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Macroeconomics","author_name":"Karl E. Case","thumbnail_url":"https://www.ebooknetworking.net/books/013/021/big0130214310.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0130214310.html\">Principles of Macroeconomics</a>","width":400,"height":300}