{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Greenleaf's Mathematical Series; First Lessons in Numbers: Oral and Written","author_name":"Benjamin Greenleaf","thumbnail_url":"https://www.ebooknetworking.net/books/B01/91Q/bigB0191Q699E.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0191Q699E.html\">Greenleaf&#039;s Mathematical Series; First Lessons in Numbers: Oral and Written</a>","width":400,"height":300}