{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Economics (Palgrave Classics in Economics)","author_name":"Alfred Marshall","thumbnail_url":"https://www.ebooknetworking.net/books/023/024/big0230249299.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0230249299.html\">Principles of Economics (Palgrave Classics in Economics)</a>","width":400,"height":300}