Airing in a Closed Carriage is a 1943 British historical novel written by Marjorie Bowen under the pseudonym of Joseph Shearing.

Two brothers develop a fierce rivalry over the same woman.

It was inspired by the real life murder trial of Florence Maybrick.

[1][2] In 1947 the novel was turned into a British film The Mark of Cain directed by Brian Desmond Hurst and starring Eric Portman and Sally Gray.

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