| Author: | Garrett, Randall, 1927-1987 |
| Subject: | PS, Telepathy -- Fiction, Science fiction |
| Format: | Text |
| Date issued: | 2008 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Penal Cluster [electronic resource] / Randall Garrett |