Note: There are other publishers with the same name: Orbit, Orbit (France), Orbit (US)
- Publisher: Orbit (Sphere) Publisher Record # 21617
Publication series data
Years When Books Were Published
| ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | 1989 |
| 1990 | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ | ------ |
Publication Breakdown by Author: