{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Evolution of Presidential Polling","author_name":"Robert M. Eisinger","thumbnail_url":"https://www.ebooknetworking.net/books/052/101/big0521017009.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521017009.html\">The Evolution of Presidential Polling</a>","width":400,"height":300}