The Case of the Hollow Hill and The Case of the Tumbling Triplet: A Mystery Series Anthology (The Wentworth Triplets Mystery Series for Young Teens)
| Country | USA |
| Brand | Jutom |
| Manufacturer | Jutom |
| Binding | Office Product |
| ItemPartNumber | WO-Jutom-5587 |
| Model | WO-Jutom-5587 |
| UnitCount | 18 |
| ReleaseDate | 0000-00-00 |