| Author: | Fox, Gardner F. (Gardner Francis), 1911-1986 |
| Subject: | PS, Science fiction, Adventure stories, Mars (Planet) -- Fiction |
| Format: | Electronic text |
| Date issued: | 2020 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Engines of the Gods [electronic resource] / Gardner F. Fox |