The Secret Warning (The Hardy Boys, No. 17)
| Country | USA |
| Brand | Grosset & Dunlap |
| Manufacturer | Grosset & Dunlap |
| Binding | Hardcover |
| ItemPartNumber | Illustrated |
| Color | Green |
| ReleaseDate | 1937-05-01 |
| UnitCount | 1 |
| Format | Illustrated |
| UPCs | 884211972604 |
| EANs | 9780448089164 |