{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Earth Magnetism: A Guided Tour through Magnetic Fields (Complementary Science)","author_name":"Wallace H. Campbell","thumbnail_url":"https://www.ebooknetworking.net/books/012/158/big0121581640.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0121581640.html\">Earth Magnetism: A Guided Tour through Magnetic Fields (Complementary Science)</a>","width":400,"height":300}