{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"To Measure the Sky: An Introduction to Observational Astronomy","author_name":"Frederick R. Chromey","thumbnail_url":"https://www.ebooknetworking.net/books/052/174/big0521747686.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521747686.html\">To Measure the Sky: An Introduction to Observational Astronomy</a>","width":400,"height":300}