{"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/168/422/big1684221307.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1684221307.html\">An Enquiry Concerning the Principles of Natural Knowledge</a>","width":400,"height":300}