The Proving Ground: A Lincoln Lawyer Novel
| Country | USA |
| Brand | Andrews McMeel Publishing |
| Manufacturer | Andrews McMeel Publishing |
| Binding | Calendar |
| ItemPartNumber | 9781449498269 |
| ReleaseDate | 2018-10-09 |
| UnitCount | 1 |
| Format | Wall Calendar |
| UPCs | 050837425118 |
| EANs | 9781449498269 |