Why has the murder of Julia Wallace on the night of 20 January 1931 haunted detective novelists for decades? Well, it all comes back to the telephone call.

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Books and sources:
—The Nurse Daniels episode of this podcast
—The Documents in the Case by Dorothy L. Sayers and Robert Eustace
—The Edith Thompson episode of this podcast
—The Scoop by Members of the Detection Club
—The Anatomy of Murder by Members of the Detection Club
—“The Compassionate Machine” by Margery Allingham, collected in Truly Criminal: A Crime Writers’ Association Anthology of True Crime edited by Martin Edwards
—Busman’s Honeymoon by Dorothy L. Sayers
—Skin for Skin by Winnifred Duke
—Vegetable Duck by John Rhode
—The Telephone Call by John Rhode
—“Absolutely Elsewhere” by Dorothy L. Sayers, collected in In the Teeth of the Evidence
—Personal Call by Agatha Christie
—P.D. James on the Wallace case in 2013
—The Skull Beneath The Skin by P.D. James
—The Murder Room by P.D. James
—The Trial of William Herbert Wallace by W.F. Wyndham Brown
—Wallace: The Final Verdict by Roger Wilkes
—The Killing of Julia Wallace by Jonathan Goodman

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