| Author: | Vestal, Herman B., 1916-2007 |
| Subject: | PS, Science fiction, Criminals -- Fiction, Games -- Fiction, Martians -- Fiction, Short stories, Mars (Planet) -- Fiction |
| Format: | Text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Alien Equivalent [electronic resource] / Herman B. Vestal |