which dirk pitt is first in the series
Dirk Pitt Series. Pacific Vortex Dirk Pitt's First, Most Terrifying Adventure! Dirk Pitt, death-defying adventurer and. deep-sea expert, is put to the ultimate test as he plunges into the perilous waters of the Pacific Vortex-. a fog-shrouded sea zone where dozens of ships have vanished without a trace.