Used. Mass Market Paperback. When a fully armed nuclear submarine vanishes without a trace during routine sea trials, it takes a special kind of maritime troubleshooter to navigate the depths of the unknown. Enter Dirk Pitt, who surfaces with a single, chilling logbook that points straight toward a watery grave hundreds of miles off course. Clive Cussler expertly anchors this high-stakes actioner in the suffocating dread of the deep, plunging our hero into a whirlpool of perilous oceanic mysteries. If you like your nautical adventures served with a heavy dose of submarine suspense, dive right in before this vortex swallows you whole.