{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Lever of Riches: Technological Creativity and Economic Progress","author_name":"Mokyr, Joel","thumbnail_url":"https://www.ebooknetworking.net/books/019/507/big0195074777.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0195074777.html\">The Lever of Riches: Technological Creativity and Economic Progress</a>","width":400,"height":300}