| Original Language | Hungarian |
| First published | 1941 |
| Notes | Originally published under the pseudonym Gibson Lavery. |
Editions 4
Add Edition| Title | Publisher | Format | Language | Location | Dates | Impression | |
|---|---|---|---|---|---|---|---|
 | Nincs kegyelem | Adamo Books Kft. | e-Book | Hungarian | Budapest | 2015 | |
 | Nincs kegyelem | Adamo Books Kft. | e-Book | Hungarian | Budapest | 2015 | |
 | Nincs kegyelem | Adamo Books Kft. | e-Book | Hungarian | Budapest | 2015 | |
 | Nincs kegyelem | Adamo Books Kft. | e-Book | Hungarian | Budapest | 2015 |