{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Invisible Fire: The Story of Mankind's Victory Over the Ancient Scourge of Smallpox","author_name":"Joel N. Shurkin","thumbnail_url":"https://www.ebooknetworking.net/books/059/516/big0595168671.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0595168671.html\">The Invisible Fire: The Story of Mankind&#039;s Victory Over the Ancient Scourge of Smallpox</a>","width":400,"height":300}