{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Principles of Geology: An Attempt to Explain the Former Changes of the Earth's Surface, by Reference to Causes now in Operation (Cambridge Library Collection - Earth Science)","author_name":"Charles Lyell","thumbnail_url":"https://www.ebooknetworking.net/books/110/800/big110800136X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-110800136X.html\">Principles of Geology: An Attempt to Explain the Former Changes of the Earth&#039;s Surface, by Reference to Causes now in Operation (Cambridge Library Collection - Earth Science)</a>","width":400,"height":300}