Whistle (The World War II Trilogy Book 3)
| Country | USA |
| Brand | Hallmark |
| Manufacturer | Hallmark Marketing Company, LLC (Office) |
| Binding | Office Product |
| ItemPartNumber | 559VFE2017 |
| Model | 559VFE2017 |
| Color | Super Mario |
| ReleaseDate | 2018-12-25 |
| UnitCount | 1 |
| UPCs | 726528345774 |
| EANs | 0726528345774 |