{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Plane & Spherical Trignometry with Tables","author_name":"Donald Ballou","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0023TGMS0.html\">Plane &amp; Spherical Trignometry with Tables</a>","width":400,"height":300}