{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Roth Memory Course: A Simple and Scientific Method of Improving the Memory and Increasing Mental Power","author_name":"David M. Roth","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9X1/bigB009X13YA0.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009X13YA0.html\">Roth Memory Course: A Simple and Scientific Method of Improving the Memory and Increasing Mental Power</a>","width":400,"height":300}