Merfolk (Unabridged‪)‬

From USA Today and number one Amazon best-selling author Jeremy Bates comes the fourth book in the all-new World's Scariest Legends series. For fans of Stephen King, Dean Koontz, and Creepypastas. 

A cave-diving expedition on a mysterious island goes horribly wrong for a renowned marine biologist and his fellow divers when they become hunted by a deadly breed of predators that, until then, had only been known in myths and legends.