{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"An enquiry concerning the principles of natural knowledge","author_name":"Whitehead, Alfred North","thumbnail_url":"https://www.ebooknetworking.net/books/117/769/big1177694093.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1177694093.html\">An enquiry concerning the principles of natural knowledge</a>","width":400,"height":300}