Title: The Lady on the Stairs

Published in: The Sketch Magazine

Year of publication: 1924        Publication date: January 16

Issue: No. 1616

Printed by: ?

Original book publication: The Big Four 2016 (Detective Club Crime Classics 1)

First publication in Sweden: Not translated in this version!

Series: The Man Who Was Number Four: Further Adventures of Hercule Poirot III

Price: ?

Number of instalments: One instalment.

Main Character/Detective: Hercule Poirot (together with Captain Arthur Hastings and Chief Inspector James Japp)

Comment: The short story is later re-worked into chapter five and six in the (detective) novel The Big Four (1927) entitled Disappearance of a Scientist respective
                   The Woman on the Stairs
.