| Author: | Burtis, Thomson, 1896-1971 |
| Subject: | PS, Adventure stories, Criminals -- Fiction, Secret service -- Fiction, Airplanes -- Fiction |
| Format: | Electronic text |
| Date issued: | 2023 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | Direct methods [electronic resource] / Thomson Burtis |