Don Winslow of the Navy #69

Don Winslow undertakes a dangerous underwater mission after a spy is captured during Chinese New Year celebrations and a report of a murdered lieutenant surfaces. Commander Winslow receives orders from Admiral Colby to search for a destroyer and investigate mysterious activity involving Major Bowers and his hidden crew. When Winslow dives to investigate, he encounters enemy forces on the seafloor and must battle an enemy submarine while his own vessel comes under attack from hostile gunfire and explosions on the surface.