{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Spirals In Nature And Art: A Study Of Spiral Formations Based On The Manuscripts Of Leonardo Da Vinci (1903)","author_name":"Theodore Andrea Cook","thumbnail_url":"https://www.ebooknetworking.net/books/116/548/big1165484153.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1165484153.html\">Spirals In Nature And Art: A Study Of Spiral Formations Based On The Manuscripts Of Leonardo Da Vinci (1903)</a>","width":400,"height":300}