The book features the recurring character of Colonel Race for the last time and was an expansion of a Hercule Poirot short story entitled "Yellow Iris," which had previously been published in issue 559 of the Strand Magazine in July 1937 and in book form in The Regatta Mystery and Other Stories in the US in 1939.
•
In 1983, CBS adapted the book for television, directed by Robert Michael Lewis, set in the modern day and starring Anthony Andrews as the central character, Tony Browne.
cyanide | Sparkling wine production | Between Silk and Cyanide: A Codemaker's Story 1941-1945 | Potassium cyanide | Cyanide poisoning | Between Silk and Cyanide | Sodium cyanide | Schramsberg's "Blanc de Blancs" sparkling wine was served during the "1972 Nixon visit to China | potassium cyanide | Cyanide and Happiness | Cyanide |