Böcker av Gladys Mitchell

It is left to Noel to call for the help of sometime-detective and full-time psychoanalyst Mrs Bradley, who sets out on an unnervingly unorthodox investigation into the mysterious pregnancy, an investigation that also takes in a smuggler, the village lunatic, a missing corpse, a public pillory, an exhumation and, of course, a murderer.

Every full moon, a ripper runs amok on the streets of Brentford. Masters Simon and Keith Innes set out to catch the killer under the disturbing guidance of Mrs Bradley.