The Murder of Mrs. Davenport is a 1928 mystery detective novel by Anthony Gilbert, the pen name of British writer Lucy Beatrice Malleson.

[1][2] It was the second novel featuring her amateur detective Scott Egerton.

Shortly before his marriage to a wealthy woman, Sir Denis Brinsley is confronted with a figure from his past.

Helen Davenport arrives and offers to sell him damaging letters between them that will likely destroy his coming marriage.

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