{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Circumference: Eratosthenes and the Ancient Quest to Measure the Globe","author_name":"Nicholas Nicastro","thumbnail_url":"https://www.ebooknetworking.net/books/031/237/big0312372477.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0312372477.html\">Circumference: Eratosthenes and the Ancient Quest to Measure the Globe</a>","width":400,"height":300}