Title: Hallowe'en Party

Published in: Woman's Own

Year of publication: 1969

Publication dates: November 15 to December 27

Printed by: ?

Original book edition: Hallowe'en Party 1969 (British edition)
Published in the US later the same year: American edition.

First edition in Sweden: Mord på Allhelgonadagen 1971 (Bonniers)
NOTE! The first edition is also published in a partial printing by Schildts.

Photographic montage: Unsigned.

Price: ?

Number of instalments: Seven instalments.

Main Character/Detective: Hercule Poirot (together with Mrs. Ariadne Oliver)