{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Ballet of the Planets: A Mathematician's Musings on the Elegance of Planetary Motion","author_name":"Donald Benson","thumbnail_url":"https://www.ebooknetworking.net/books/019/989/big0199891001.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0199891001.html\">The Ballet of the Planets: A Mathematician&#039;s Musings on the Elegance of Planetary Motion</a>","width":400,"height":300}