{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Plane trigonometry","author_name":"Edward Rutledge Robbins","thumbnail_url":"https://www.ebooknetworking.net/books/B00/3U6/bigB003U6GT5G.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B003U6GT5G.html\">Plane trigonometry</a>","width":400,"height":300}