The Game Master’s Handbook of Collaborative Campaign Design: A game-changing approach to homebrewing emergent TTRPG stories, character arcs and worlds with your players (The Game Master Series)
| Country | USA |
| Brand | Pop Secret |
| Manufacturer | Pop Secret |
| Binding | Grocery |
| ItemPartNumber | 1 |
| Model | 108877 |
| ReleaseDate | 2015-02-10 |
| Size | 9.6 Ounce (Pack of 1) |
| UnitCount | 1 |
| UPCs | 023896287867 |
| EANs | 0023896287867 |