{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The General History of Astronomy: Volume 4, Astrophysics and Twentieth-Century Astronomy to 1950: Part A","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/052/113/big0521135427.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521135427.html\">The General History of Astronomy: Volume 4, Astrophysics and Twentieth-Century Astronomy to 1950: Part A</a>","width":400,"height":300}