{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"From Ptolemy's Spheres to Dark Energy: Discovering the Universe (Chain Reactions!)","author_name":"John Farndon","thumbnail_url":"https://www.ebooknetworking.net/books/143/290/big1432907077.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1432907077.html\">From Ptolemy&#039;s Spheres to Dark Energy: Discovering the Universe (Chain Reactions!)</a>","width":400,"height":300}