Dirty Harry novels of the four first "Dirty Harry" films as tie-ins. Author and screenwriter Phillip Rock wrote the novelization of "Dirty Harry" in 1971, based on an early draft of the script. Mel Valley wrote the sequel, "Magnum Force", in 1973. Wesley Morgan novelized "The Enforcer" in 1976. The "Sudden Impact" novelization was written by Joseph Stinson, one of the screenwriters. Stinson, who had rewritten the originally independent script as a "Dirty Harry" vehicle for Eastwood, adapted the novel in 1983. Following "The Enforcer", Eastwood announced that he would not make any further "Dirty Harry" films (he eventually returned to the role
Clint Eastwood in the 1970s the film was completed four or five days ahead of schedule. The script to "Dirty Harry" was originally written by Harry Julian and Rita M. Fink, a story about a hard-edged New York City police inspector Harry Callahan, determined to stop a psychotic killer by any means at his disposal. The script was presented to Eastwood by Jennings Lang and the rights to the film were bought by Warner Bros.. Irvin Kershner was originally intended as director as was Frank Sinatra to play the character but he had reportedly grown unhappy with the script, although withdrew officially because of a