The Thing in the Mist by John Glasby

When a team of archaeologists unearths a mysterious burial site Iin a quiet English village, they unleash a terror beyond imagining. As bodies are discovered, horribly mutilated, whispers of an old legend sweep through the town -- a legend of a monstrous creature that stalks the night. Inspector Glasby must confront the unthinkable to solve the case and stop the killings. But as he delves deeper into the mystery, he realizes he may be facing a horror from before the dawn of history...