Jerry London

Father Hugh O'Flaherty is a Vatican official who has been hiding downed Allied pilots and other enemies of the Nazi party. However, because of his high status, the Nazis cannot arrest him.

"A small construction crew battles the ultimate assassin ... Stationed on a small island off the coast of Africa, six men find themselves terrorized when a ruthless life-form takes over a bulldozer and then sets off on a killing rampage. Despite limited fuel, the renegade machine methodically hunts down the men one by one"--Container.