Pacific Vortex!

When the advanced nuclear submarine Starbuck vanishes without a trace during sea trials, maritime troubleshooter Dirk Pitt is called in. His only clue is a cryptic, fear-filled logbook found near Hawaii, hinting at a terrifying fate and a mysterious location far from the sub's last known position. Pitt must confront a deep-sea enigma that promises to be his most challenging assignment yet.