{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Hollow Planets: A Feasibility Study of Possible Hollow Worlds - Could the Planets Mercury, Venus and Earth Possibly be Hollow?","author_name":"Jan P. Lamprecht","thumbnail_url":"https://www.ebooknetworking.net/books/062/021/big0620219637.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0620219637.html\">Hollow Planets: A Feasibility Study of Possible Hollow Worlds - Could the Planets Mercury, Venus and Earth Possibly be Hollow?</a>","width":400,"height":300}