{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Roof framing made easy: a practical and easily comprehended system, adapted to modern construction, for laying out and framing roofs, adapted to modern construction","author_name":"Owen B. Maginnis","thumbnail_url":"https://www.ebooknetworking.net/books/B00/644/bigB00644CDDI.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00644CDDI.html\">Roof framing made easy: a practical and easily comprehended system, adapted to modern construction, for laying out and framing roofs, adapted to modern construction</a>","width":400,"height":300}