{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"At the Heart of Progress: Coal, Iron, and Steam since 1750 (The John P. Eckblad Collection)","author_name":"Timothy Riggs","thumbnail_url":"https://www.ebooknetworking.net/books/080/785/big080785980X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-080785980X.html\">At the Heart of Progress: Coal, Iron, and Steam since 1750 (The John P. Eckblad Collection)</a>","width":400,"height":300}