| Author: | Silverberg, Robert, 1935-1981 |
| Subject: | PS, Science fiction, Short stories, Swindlers and swindling -- Fiction, Extraterrestrial beings -- Fiction |
| Format: | Electronic text |
| Date issued: | 2016 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Birds of a Feather [electronic resource] / Robert Silverberg |