The Keeper's Companion: Blasphemous Knowledge, Forbidden Secrets: A Core Book for Keepers, Vol. 1 (Call of Cthulhu Horror Roleplaying, #2388)
| Country | USA |
| Brand | EXCMARK |
| Manufacturer | Dinwey |
| Binding | Kitchen |
| Model | DW21SLPWL06-CW-SET10 |
| Color | Black |
| UnitCount | 10 |
| ReleaseDate | 0000-00-00 |