Magic Tree House Books 21-24 Boxed Set: American History Quartet
| Country | USA |
| Brand | United States Postal Service |
| Manufacturer | USPS |
| Binding | Toy |
| ItemPartNumber | 9516668 |
| Model | 3186 |
| Color | Multicolored |
| UnitCount | 10 |
| UPCs | 787793297281 |
| EANs | 0787793297281 |
| ReleaseDate | 0000-00-00 |