{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Choice and Chance: An Elementary Treatise on Permutations, Combinations, and Probability, With 640 Exercises [ 1886 ]","author_name":"Whitworth, William Allen","thumbnail_url":"https://www.ebooknetworking.net/books/111/235/big1112353615.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1112353615.html\">Choice and Chance: An Elementary Treatise on Permutations, Combinations, and Probability, With 640 Exercises [ 1886 ]</a>","width":400,"height":300}