| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1976 |
|
The Edward De Bono Science Fiction Collection | The Elmfield Press | Anthology | 6 |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| 1976 |
|
The Edward De Bono Science Fiction Collection | The Elmfield Press | Anthology | 6 |