{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"How Many Friends Does One Person Need?: Dunbar's Number and Other Evolutionary Quirks","author_name":"Robin Dunbar","thumbnail_url":"https://www.ebooknetworking.net/books/067/405/big0674057163.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0674057163.html\">How Many Friends Does One Person Need?: Dunbar&#039;s Number and Other Evolutionary Quirks</a>","width":400,"height":300}