{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"From Cave Man to Cave Martian: Living in Caves on the Earth, Moon and Mars (Springer Praxis Books)","author_name":"von Ehrenfried, Manfred \"Dutch\"","thumbnail_url":"https://www.ebooknetworking.net/books/303/005/big3030054071.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3030054071.html\">From Cave Man to Cave Martian: Living in Caves on the Earth, Moon and Mars (Springer Praxis Books)</a>","width":400,"height":300}