{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Art of the Catapult: How to Build Ballistae, Trebuchets, and More Ancient Artillery","author_name":"William Gurstelle","thumbnail_url":"https://www.ebooknetworking.net/books/B00/MBQ/bigB00MBQQ1EU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00MBQQ1EU.html\">The Art of the Catapult: How to Build Ballistae, Trebuchets, and More Ancient Artillery</a>","width":400,"height":300}