{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Letter Of Roger Bacon Concerning The Marvelous Power Of Art And Nature And The Nullity Of Magic","author_name":"Roger Bacon","thumbnail_url":"https://www.ebooknetworking.net/books/141/919/big1419190091.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1419190091.html\">The Letter Of Roger Bacon Concerning The Marvelous Power Of Art And Nature And The Nullity Of Magic</a>","width":400,"height":300}