N Czy M?
| Book | N or M? |
| Editor | Ewa Rojewska-Olejarczuk |
| Publisher | Prószyński I S-ka |
| Series Editor | Ewa Rojewska-Olejarczuk |
| Typeset by | Ewa Wójcik |
| Printed and Bound by | Opolgraf S.A. |
| Translated by | Krystyna Tarnowska |
| Revised by | Barbara Potocka |
| Series | Tommy & Tuppence, Biblioteczka Konesera |
| Technical Editor | Barbara Wójcik |
| Cover/Jacket Design by | Jerzy Matuszewski |
| Copyright Holder | Agatha Christie Mallowan |
| Format | Paperback |
| Language | Polish |
| Location | Poland |
| This Edition Published | 1998 |
| Copyright | 1941 |
| Pages / Font | 184 pages |
| ISBN 10 | 83-7180-215-3 |
| Barcode | 9788371802157 |
| Notes | Tommy & Tuppence (3) |
Added by Gizmex · Last edited by Anaideia