Fleet of Worlds: 200 Years Before the Discovery of the Ringworld (Known Space)
| Country | USA |
| Brand | Wolters Kluwer Law & Business |
| Manufacturer | Wolters Kluwer Law & Business |
| Binding | Paperback |
| ItemPartNumber | black & white illustrations |
| UnitCount | 1 |
| EANs | 9781454831365 |
| ReleaseDate | 0000-00-00 |