{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Pearls in Graph Theory: A Comprehensive Introduction (Dover Books on Mathematics)","author_name":"Nora Hartsfield, Gerhard Ringel, Mathematics","thumbnail_url":"https://www.ebooknetworking.net/books/noimage.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0486432327.html\">Pearls in Graph Theory: A Comprehensive Introduction (Dover Books on Mathematics)</a>","width":400,"height":300}