Mark of the Shadow

An entire city was being disrupted by a rash of senseless killings. When The Shadow began to investigate, he uncovered clues that only deepened the mystery. A strange, but beautiful girl who could disappear in a puff of smoke. An organization named C.Y.P.H.E.R., whose specialty was motiveless murder -- and lots of it.Who was terrorizing the city of Santa Carla -- and, more important, why?Here is crime so weirdly fashioned that it baffles even The Shadow, in his most challenging assignment to date.