{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Persistent Problems Of Philosophy: An Introduction To Metaphysics","author_name":"Mary Whiton Calkins","thumbnail_url":"https://www.ebooknetworking.net/books/141/914/big1419146858.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1419146858.html\">The Persistent Problems Of Philosophy: An Introduction To Metaphysics</a>","width":400,"height":300}