| Author: | Snell, Roy J. (Roy Judson), 1878-1959 |
| Subject: | PZ, Detective and mystery stories, Mystery and detective stories, Thieves -- Juvenile fiction, Jewelry -- Juvenile fiction, Air mail service -- Juvenile fiction |
| Format: | Electronic text |
| Date issued: | 2019 |
| Language: | English |
| Publisher: | Project Gutenberg, |
| Rights: | Public domain in the USA. |
| Download link: | The Gray Shadow : A Mystery Story For Boys [electronic resource] / Roy J. Snell |