Tom Clancy's Jack Ryan Action Pack: The Hunt for Red October/The Cardinal of the Kremlin/Patriot Games

It all started with a missing Russian nuclear sub…The first three novels in the world of Jack Ryan, from Tom Clancy,  #1 New York Times bestselling author and “longtime top gun of the military thriller” (Boston Globe).
 
The Hunt for Red October
Patriot Games
The Cardinal of the Kremlin