A Grave Concern: The Twenty Second Chronicle of Matthew Bartholomew (Chronicles of Matthew Bartholomew Book 22)
| Country | USA |
| Brand | Phidal |
| Manufacturer | Phidal Publishing Inc. |
| Binding | Board book |
| ItemPartNumber | HU-XI-201 |
| Model | 2764348835 |
| ReleaseDate | 2019-05-01 |
| UnitCount | 1 |
| Format | Picture Book |
| EANs | 9782764348833 |