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1. Tom Clancy's books or film adaptations, duh
The “Jack Ryan” series first started as novels. Author Tom Clancy created the character of Jack Ryan in his Ryanverse novels, which consistently made the top of the New York Times bestseller lists. The novels began being adapted into films in 1990, starting with “The Hunt for Red October” starring Alec Baldwin as Ryan and most recently in 2014 with “Jack Ryan: Shadow Recruit” with Chris Pine playing the titular CIA agent.
