{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Descartes' System of Natural Philosophy","author_name":"Stephen Gaukroger","thumbnail_url":"https://www.ebooknetworking.net/books/052/100/big0521005256.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521005256.html\">Descartes&#039; System of Natural Philosophy</a>","width":400,"height":300}