These fast-paced CSI diving mysteries feature Hannah Sampson, a cop, an expert scuba diver, and a homicide detective who investigates crime scenes that lie on the ocean floor.  Hannah  dives deep into tropical Caribbean waters where danger is only a breath away from the beauty of her surroundings.  Though the ocean itself can turn violent, Hannah’s real foes are the human kind—those who murder for profit, ambition, and out of passion, often exploiting the ocean itself—the coral reef, sea turtles, mangrove colonies, even shark populations, an environment she has learned to treasure.

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