{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Elementary Principles of Economics","author_name":"Irving Fisher","thumbnail_url":"https://www.ebooknetworking.net/books/114/199/big1141998939.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1141998939.html\">Elementary Principles of Economics</a>","width":400,"height":300}