| Author: | Ludwig, Edward W., 1920-1990 |
| Subject: | PS, Science fiction, Extraterrestrial beings -- Fiction, Space ships -- Fiction, Human-alien encounters -- Fiction, Interstellar travel -- Fiction, Extrasolar planets -- Fiction |
| Format: | Electronic text |
| Date issued: | 2016 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | To Save Earth [electronic resource] / Edward W. Ludwig |