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 |
| Manufacturer | Triumph Books |
| Binding | Hardcover |
| ReleaseDate | 2025-07-22 |
| UnitCount | 1 |
| EANs | 9781637277126 |