The novel by Dorothy L Sayers was dramatised by Alistair Beaton. It was first broadcast on BBC Radio in 1979.
It starred Ian Carmichael as Lord Peter Wimsey.
When a man falls to his death on the stairs of Pym’s Advertising Agency, no one seems very interested – until Lord Peter joins the firm incognito and starts asking questions
Murder Must Advertise can be purchased as a download at