{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Introducing Cal: A Practical Guide to Writing Computer-Assisted Learning Programs","author_name":"Keith Hudson","thumbnail_url":"https://www.ebooknetworking.net/books/041/226/big0412262304.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0412262304.html\">Introducing Cal: A Practical Guide to Writing Computer-Assisted Learning Programs</a>","width":400,"height":300}