Professor Whelk's Trip to Mars
| First published | September 2020 |
|---|---|
| Type | Short Fiction |
| Length | Short Story |
Originally untitled and published in the Bucks Free Press (according to the copyright page of the collection "The Time-Travelling Caveman")
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| September 2020 |
|
The Time-Travelling Caveman | RHCP Digital | Collection | |9 |
| September 2020 |
|
The Time-Travelling Caveman | Doubleday (UK) | Collection | |9 |
| September 2020 |
|
The Time-Travelling Caveman | Penguin Audio | Collection | |9 |
| October 2020 |
|
The Time-Travelling Caveman | Doubleday (UK) | Collection | 5 |
| August 2021 |
|
The Time-Travelling Caveman | Corgi Children's | Collection | |9 |
| July 2022 |
|
Der zerstreute Zeitreisende | Piper (Germany) | Collection | 13|13.1 |