Rustling in the Dark: The Black Lady by Conyth Little (1943)

"By the time Dodson gets here in his slow-motion vehicle," he muttered, "we'll be a bunch of maniacs." Marina Hays is invited to spend a weekend at their country-home by her friends, Elizabeth and Marge Packett. Also invited is another friend, Gert. The four are met at the station by Randall, the brother of the …