Pacific Vortex
A clear prototype for what would become the long running Dirk Pitt series with little of novel interest. A page turner, nothing more.
Dirk Pitt
A series of utterly ridiculous, over-the-top action novels by Clive Cussler. Not recommended reading, but a hell of an idiotic ride.
Treasure
It’s a Dirk Pitt novel. That should tell you everything you need to know, except this one has a more interesting villain than normal.