{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Gravitational Curvature: An Introduction to Einstein's Theory (Dover Books on Physics)","author_name":"Prof. Theodore Frankel, Physics","thumbnail_url":"https://www.ebooknetworking.net/books/048/648/big0486481212.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486481212.html\">Gravitational Curvature: An Introduction to Einstein&#039;s Theory (Dover Books on Physics)</a>","width":400,"height":300}