{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of economics Volume 1","author_name":"Nikolaas Gerard Pierson, A.A. Wotzel","thumbnail_url":"https://www.ebooknetworking.net/books/551/848/big5518487959.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-5518487959.html\">Principles of economics Volume 1</a>","width":400,"height":300}