{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Mighty engineering feats;: Clear and concise descriptions of ten of the greatest American engineering feats (Essay index reprint series)","author_name":"Harriet Salt","thumbnail_url":"https://www.ebooknetworking.net/books/083/691/big0836911938.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0836911938.html\">Mighty engineering feats;: Clear and concise descriptions of ten of the greatest American engineering feats (Essay index reprint series)</a>","width":400,"height":300}