{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Number work in nature study, part 1","author_name":"Wilbur S. Jackman","thumbnail_url":"https://www.ebooknetworking.net/books/B00/BN3/bigB00BN3ZLRU.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B00BN3ZLRU.html\">Number work in nature study, part 1</a>","width":400,"height":300}