Fleet of Worlds: 200 Years Before the Discovery of the Ringworld (Known Space)
| Country | USA |
| Brand | College Publications |
| Manufacturer | College Publications |
| Binding | Paperback |
| ItemPartNumber | new18-20150802-c102975 |
| Model | new18-20150802-c102975 |
| UnitCount | 1 |
| EANs | 9781904987178 |
| ReleaseDate | 0000-00-00 |