The Tonkin Protocol: A Dan Roy Thriller (The Dan Roy Series Book 4)
| Country | USA |
| Brand | Dover Publications |
| Manufacturer | Dover Publications |
| Binding | Paperback |
| ItemPartNumber | 9780486276250 |
| ReleaseDate | 1993-08-11 |
| UnitCount | 1 |
| UPCs | 800759276257 |
| EANs | 9780486276250 |