{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Cooperative Species: Human Reciprocity and Its Evolution","author_name":"Samuel Bowles, Herbert Gintis","thumbnail_url":"https://www.ebooknetworking.net/books/069/115/big0691158169.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0691158169.html\">A Cooperative Species: Human Reciprocity and Its Evolution</a>","width":400,"height":300}