The Hunt for Red October 1975. "The Hunt for Red October" launched Clancy's successful career as a novelist, especially after then-U.S. President Ronald Reagan remarked that he had enjoyed reading the book. A film adaptation was released on March 2, 1990, and several computer and video games based on the book have been developed. Since then, the book has become instrumental in bringing the book genre of techno-thriller into the mainstream. During the Cold War, Marko Ramius, a Soviet Navy submarine commander of Lithuanian descent, plans to defect to the United States with his hand-picked officers on board the ballistic missile submarine "Red October", a
The Hunt for Red October novel as "the most satisfactory novel of a sea chase since C.S. Forester perfected the form". Due to an extensive marketing campaign by the Naval Institute Press for their first published work of fiction, which was initially aimed on the military, the book sold 45,000 copies by March 1985. Clancy said in a 1991 interview: “I thought we’d sell maybe five thousand or ten thousand hardcovers and that would be the end of it. I never really thought about making money.” After Reagan's endorsement, "The Hunt for Red October" topped the national bestseller lists, particularly "The New York Times". It