{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Commercial Revolution of the Middle Ages, 950-1350","author_name":"Robert S. Lopez","thumbnail_url":"https://www.ebooknetworking.net/books/052/129/big0521290465.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521290465.html\">The Commercial Revolution of the Middle Ages, 950-1350</a>","width":400,"height":300}