Three Silent Things by Margaret Mayhew

A village mystery from a best-selling author - The colonel has been living in peaceful Dorset village Frog's End for nearly a year, and is well respected for his role in solving the murder of the late Lady Swynford. But then the colonel encounters another dead body - that of the once-famous actress, Lois Delaney. As the police embark on their investigation, the colonel makes some enquiries of his own - and comes up with a most surprising theory . . .