| Author: | Hasse, Henry, 1913-1977 |
| Subject: | PS, Science fiction, Adventure stories, Prisoners -- Fiction, Human-alien encounters -- Fiction, Torture -- Fiction |
| Format: | Electronic text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Proktols of Neptune [electronic resource] / Henry Hasse |