{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"On the fourfold root of the principle of sufficient reason, and On the will in nature; two essays. T","author_name":"Schopenhauer, Arthur","thumbnail_url":"https://www.ebooknetworking.net/books/111/077/big1110773633.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1110773633.html\">On the fourfold root of the principle of sufficient reason, and On the will in nature; two essays. T</a>","width":400,"height":300}