| Author: | Haseltine, Robert W., 1921-1992 |
| Subject: | PS, Science fiction, Short stories, Extraterrestrial beings -- Fiction, Human-alien encounters -- Fiction |
| Format: | Electronic text |
| Date issued: | 2009 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Prelude to Space [electronic resource] / Robert W. Haseltine |