{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"THE MASTER KEY Teaches Scientific Concentration","author_name":"L. W. de Laurence","thumbnail_url":"https://www.ebooknetworking.net/books/B00/1RT/bigB001RTDZ4G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B001RTDZ4G.html\">THE MASTER KEY Teaches Scientific Concentration</a>","width":400,"height":300}