{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Contributions to the theory of natural selection. A series of essays ... By Alfred Russel Wallace ...","author_name":"Michigan Historical Reprint Series","thumbnail_url":"https://www.ebooknetworking.net/books/142/554/big1425544592.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1425544592.html\">Contributions to the theory of natural selection. A series of essays ... By Alfred Russel Wallace ...</a>","width":400,"height":300}