Goldfinger (novel) heroin smuggling operation, British Secret Service operative James Bond is asked by Junius Du Pont, a rich American businessman (whom he briefly met and gambled with in "Casino Royale"), to watch Auric Goldfinger, with whom Du Pont is playing Canasta in order to discover if he is cheating. Bond quickly realises that Goldfinger is indeed cheating with the aid of his female assistant, Jill Masterton, who is spying on DuPont's cards. Bond blackmails Goldfinger into admitting it and paying back DuPont's lost money; he also has a brief affair with Masterton. Back in London, Bond's superior, M, tasks him with
Goldfinger (novel) use of his name, Goldfinger threatened to sue over the use of the name, before the matter was settled out of court. Fleming had based the actual character on American gold tycoon Charles W. Engelhard, Jr. Fleming also used a number of his own experiences within the book, and the round of golf played with Goldfinger was based upon a tournament in 1957 at the Berkshire Golf Club in which Fleming partnered the Open winner Peter Thomson. Upon its release, "Goldfinger" went to the top of the best-seller lists; the novel was broadly well received by the critics, being favourably