| Author | Agatha Christie |
| Series | Hercule Poirot, Biblioteczka Konesera |
| Translated by | Mira Michałowska |
| Designed by | Jerzy Matuszewski |
| Editor | Ewa Rojewska-Olejarczuk |
| Series Editor | Ewa Rojewska-Olejarczuk |
| Technical Editor | Elżbieta Babińska |
| Typeset by | Grażyna Janecka |
| Revised by | Michał Załuska |
| Copyright Holder | Agatha Christie Mallowan |
| Publisher | Prószyński I S-ka |
| Printed and Bound by | Wojskowa Drukarnia W Łodzi |
| Format | Paperback |
| Language | Polish |
| Location | Poland |
| Copyright | 1932 |
| Pages / Font | 200 pages |
| ISBN 10 | 83-7255-475-7 |
| Barcode | 9788372554758 |
| Notes | Hercule Poirot (7) There's no date printed, but this edition came around 1999. |