{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Sky and Ocean Joined: The U. S. Naval Observatory 1830-2000","author_name":"Steven J. Dick","thumbnail_url":"https://www.ebooknetworking.net/books/052/103/big0521037506.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521037506.html\">Sky and Ocean Joined: The U. S. Naval Observatory 1830-2000</a>","width":400,"height":300}