{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hollow Planets: A Feasibility Study of Possible Hollow Worlds","author_name":"Jan Lamprecht","thumbnail_url":"https://www.ebooknetworking.net/books/099/134/big099134975X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-099134975X.html\">Hollow Planets: A Feasibility Study of Possible Hollow Worlds</a>","width":400,"height":300}