{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Heaven and Earth in the Middle Ages: The Physical World before Columbus","author_name":"Rudolf Simek","thumbnail_url":"https://www.ebooknetworking.net/books/085/115/big0851156088.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0851156088.html\">Heaven and Earth in the Middle Ages: The Physical World before Columbus</a>","width":400,"height":300}