{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Keepers of Light: A History & Working Guide to Early Photographic Processes","author_name":"William Crawford","thumbnail_url":"https://www.ebooknetworking.net/books/087/100/big0871001683.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0871001683.html\">The Keepers of Light: A History &amp; Working Guide to Early Photographic Processes</a>","width":400,"height":300}