{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Astronomical Observations: An Optical Perspective","author_name":"Gordon Walker","thumbnail_url":"https://www.ebooknetworking.net/books/052/133/big0521339073.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521339073.html\">Astronomical Observations: An Optical Perspective</a>","width":400,"height":300}