Adders on the Heath is a 1963 mystery detective novel by the British writer Gladys Mitchell.

[1] 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.

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.

You can help Wikipedia by expanding it.See guidelines for writing about novels.

Further suggestions might be found on the article's talk page.