Ghost Water: A Deep Sea Evolutionary Thriller

A woman dies on a shark dive off the north shelf.

The Coast Guard calls it an attack. An unfortunate encounter with a predator in open water. Case closed.

Marco Santos doesn't agree.

He was monitoring the dive from the surface vessel. He saw it on sonar-behavior that didn't match any known hunting pattern. No strike cycle. No feeding response. No escalation. Just... observation.

And something that looked almost deliberate.

Marco begins keeping a private log. Not of what the reports say happened,...