You must have read "The Hunt for Red October". I'm told by ex-(Submarine Commander)s and ex-submariners that it's surprisingly accurate, and one even said that

You must have read "The Hunt for Red October". I'm told by ex-(Submarine Commander)s and ex-submariners that it's surprisingly accurate, and one even said that it's used in training. If you read it carefully enough you can plot the positions of the boats throughout. Definitely better than the film, although the film is excellent.