Poirot's Early Cases

Fifteen short stories were first published in the UK, unillustrated, in The Sketch magazine. Christie wrote them following a suggestion from its editor, Bruce Ingram, who had been impressed with the character of Poirot in The Mysterious Affair at Styles.

The Affair at the Victory Ball
The Adventure of the Clapham Cook
The Cornish Mystery
The Adventure of Johnnie Waverly
The Double Clue
The King of Clubs
The Lemesurier Inheritance
The Lost Mine
The Plymouth Express
The Chocolate Box
The Veiled Lady
The Submarine Plans
The Market Basing Mystery
The stories below were published as follows:
Double Sin: First published in the 23 September 1928 edition of the Sunday Dispatch.
Wasp's Nest: First published in the 20 November 1928 edition of the Daily Mail.