{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Dear Professor Einstein: Albert Einstein's Letters to and from Children","author_name":"Prometheus Books","thumbnail_url":"https://www.ebooknetworking.net/books/159/102/big1591020158.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1591020158.html\">Dear Professor Einstein: Albert Einstein&#039;s Letters to and from Children</a>","width":400,"height":300}