{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Population History of the United States","author_name":"Herbert S. Klein","thumbnail_url":"https://www.ebooknetworking.net/books/052/178/big0521788102.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521788102.html\">A Population History of the United States</a>","width":400,"height":300}