{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Economics (Illustrated and Bundled with ELEMENTS OF ECONOMICS OF INDUSTRY )","author_name":"Marshall, Alfred","thumbnail_url":"https://www.ebooknetworking.net/books/B00/AKT/bigB00AKTNNQY.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00AKTNNQY.html\">Principles of Economics (Illustrated and Bundled with ELEMENTS OF ECONOMICS OF INDUSTRY )</a>","width":400,"height":300}