1. The Hunt for Red October (1984): The Hunt for Red October is Tom Clancy’s debut novel, and the first book in the Jack Ryan series. It is a political thriller set during the Cold War, in which Jack Ryan must stop a Soviet submarine captain and his rogue ship from launching nuclear missiles on the US.
2. Red Storm Rising (1986): Red Storm Rising is a military-political thriller set during a hypothetical World War III. Ryan and the CIA must find a way to stop the Russians from invading Western Europe.
3. Patriot Games (1987): Patriot Games is the second book in the Jack Ryan series. It follows Jack Ryan as he thwarts a terrorist attack on the Royal family.
4. The Cardinal of the Kremlin (1988): The Cardinal of the Kremlin is a political thriller set during the Cold War. Jack Ryan and the CIA must stop a Soviet mole from stealing American secrets.
5. Clear and Present Danger (1989): Clear and Present Danger is the fourth book in the Jack Ryan series. It follows Jack Ryan as he races against time to stop Colombian drug lords from launching a deadly attack on the US.
6. The Sum of All Fears (1991): The Sum of All Fears is a political thriller set during the post Cold War era. It follows Jack Ryan as he must prevent a nuclear war between the US and Russia.
7. Without Remorse (1993): Without Remorse is a military thriller set during the Vietnam War. It follows John Clark as he embarks on a mission to avenge the death of his beloved.
8. Debt of Honor (1994): Debt of Honor is the sixth book in the Jack Ryan series. It follows Jack Ryan as he must prevent a crazed Japanese businessman from starting a world war.
9. Executive Orders (1996): Executive Orders is the seventh book in the Jack Ryan series. It follows Jack Ryan as he is sworn in as President of the United States, and must face a terrorist attack on the US mainland.
10. The Bear and the Dragon (2000): The Bear and the Dragon is the eighth book in the Jack Ryan series. It follows Jack Ryan as he is forced to confront a Russian leader with a hidden agenda.
11. Red Rabbit (2002): Red Rabbit is the ninth book in the Jack Ryan series. It follows Jack Ryan as he must stop a Soviet mole from stealing top secret British intelligence.
12. The Teeth of the Tiger (2003): The Teeth of the Tiger is the tenth book in the Jack Ryan series. It follows Jack Ryan as he must stop a new breed of terrorist from using cutting-edge technology to launch an attack on the US.