{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Historical Background of Chemistry","author_name":"Henry M. Leicester","thumbnail_url":"https://www.ebooknetworking.net/books/048/661/big0486610535.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486610535.html\">The Historical Background of Chemistry</a>","width":400,"height":300}