Brilliant noir fiction by one of the best but often forgotten authors, Dorothy B Hughes. There were so many plot twists and turns I was riveted. Who is the gray man -innocent traveller, Gestapo, FBI or none of these things. Is  he really a danger to the equally mysterious protagonist Julliet, on the run from being a potential suspect in a murder. Moving from New York to Santa Fe and set during World War II and full of men in hats lurking in bars and street corners, train journeys taken by…