- 1936, Collins Crime Club (London), 2 November 1936, Hardcover
- 1937, Dodd Mead and Company (New York), 1937, Hardcover
- 1949, Dell Books (New York), Paperback, (Dell number 293 [mapback])
- 1951, Pan Books, Paperback, (Pan number 176)
- 1957, Fontana Books (Imprint of HarperCollins), Paperback
- 1968, Greenway edition of collected works (William Collins), Hardcover
- 1968, Greenway edition of collected works (Dodd Mead), Hardcover
- 1969, Ulverscroft Large-print Edition, HardcoverISBN 0-85456-695-3
- 2007, Poirot Facsimile Edition (Facsimile of 1936 UK First Edition), HarperCollins, 5 March 2007, Hardback
The book was first serialised in the US in The Saturday Evening Post in six instalments from 2 May (Volume 208, Number 44) to 6 June 1936 (Volume 208, Number 49) with illustrations by Orison MacPherson.