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 1960s a collaboration between Eastwood and Siegel that lasted more than ten years, and became the prototype for the macho hero that Eastwood would play in the "Dirty Harry" films. "Coogan's Bluff" also became the first collaboration with Argentine composer Lalo Schifrin, who would later compose the jazzy score to several of Eastwood's films in the 1970s and 1980s, particularly the "Dirty Harry" film series. Eastwood was paid $850,000 in 1968 for the war epic "Where Eagles Dare" opposite Richard Burton. However, Eastwood initially expressed that the script drawn up by Alistair Mclean was "terrible" and was "all exposition and complications".