Niespodziewany Gość
| Book | The Unexpected Guest |
| Editor | Ewa Rojewska-Olejarczuk |
| Publisher | Prószyński I S-ka |
| Series Editor | Ewa Rojewska-Olejarczuk |
| Typeset by | Agnieszka Dwilińska |
| Printed and Bound by | Opolgraf S.A. |
| Translated by | Anna Bańkowska |
| Revised by | Iwona Swornik-Ognicka |
| Adapted by | Charles Osborne |
| Designed by | Jerzy Matuszewski |
| Series | Biblioteczka Konesera |
| Technical Editor | Elżbieta Babińska |
| Cover photo | Paul Eekhoff |
| Copyright Holder | Agatha Christie Limited |
| Format | Paperback |
| Language | Polish |
| Location | Poland |
| This Edition Published | 2000 |
| Copyright | 1999 |
| Pages / Font | 112 pages |
| ISBN 10 | 83-7255-608-3 |
| Barcode | 9788372556080 |
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