| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1969 |
|
Six Gates from Limbo | The Science Fiction Book Club (UK) | Novel |
| Date | Publication | Publisher | Type | Page | |
|---|---|---|---|---|---|
| April 1969 |
|
Six Gates from Limbo | The Science Fiction Book Club (UK) | Novel |