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 | Angoily |
| Manufacturer | Angoily |
| Binding | Office Product |
| ItemPartNumber | 39909GFH57SE9BOG595MIALMN |
| Model | 39909GFH57SE9BOG595MIALMN |
| Color | White |
| Size | 32.50X14.50X6.00CM |
| ReleaseDate | 0000-00-00 |