{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Leonhard Euler","author_name":"Emil A. Fellmann","thumbnail_url":"https://www.ebooknetworking.net/books/376/437/big3764375388.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3764375388.html\">Leonhard Euler</a>","width":400,"height":300}