Adders on the Heath is a 1963 mystery detective novel by the British writer Gladys Mitchell.Reilly p.1089 It is the thirty sixth in the long-running series of books featuring Mitchell's best known character, the psychoanalyst and amateur detective Mrs Bradley.
Synopsis The fierce rivalry between two running clubs appears to have ended in murder, until Dame Beatrice Bradley is able to demonstrate the real reason for the death.
References
Bibliography Reilly, John M. Twentieth Century Crime & Mystery Writers. Springer, 2015.