{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Natural Calling: Life, Letters and Diaries of Charles Darwin and William Darwin Fox","author_name":"Anthony W. D. Larkum","thumbnail_url":"https://www.ebooknetworking.net/books/140/209/big1402092326.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1402092326.html\">A Natural Calling: Life, Letters and Diaries of Charles Darwin and William Darwin Fox</a>","width":400,"height":300}