{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Clause and Effect: Prolog Programming for the Working Programmer","author_name":"William F. Clocksin","thumbnail_url":"https://www.ebooknetworking.net/books/354/062/big3540629718.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-3540629718.html\">Clause and Effect: Prolog Programming for the Working Programmer</a>","width":400,"height":300}