Editions of Poirot Investigates

167 pages

English language

Published Jan. 5, 1961 by Bantam Books.

184 pages

French language

Published Jan. 5, 1968 by Librairie des Champs-Elysees.

192 pages

Undetermined language

Published by Bodley Head.

Audio cassette

English language

Published June 5, 1988 by DH Audio.

English language

Published Jan. 5, 1924 by Bodley Head.

German language

Published Jan. 5, 1993 by Scherz.

Mass Market Paperback

Published Jan. 5, 1979 by Bantam.