{"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","author_name":"William Allen Whitworth","thumbnail_url":"https://www.ebooknetworking.net/books/114/454/big114454016X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-114454016X.html\">Choice and Chance: An Elementary Treatise On Permutations, Combinations, and Probability, with 640 Exercises</a>","width":400,"height":300}