United Planets
Titles (8)
| # | Title | Author(s) | Year | Type |
|---|---|---|---|---|
| 1 | Planetary Agent X | Mack Reynolds | 1965 | |
| 2 | Dawnman Planet | Mack Reynolds | 1966 | |
| 3 | The Rival Rigelians | Mack Reynolds | 1967 | |
| 4 | Code Duello | Mack Reynolds | 1968 | |
| 5 | Amazon Planet | Mack Reynolds | 1975 | |
| 6 | Section G: United Planets | Mack Reynolds | 1976 | |
| 7 | Brain World | Mack Reynolds | 1978 | |
| The Rival Rigelians and Planetary Agent X | Mack Reynolds | 1974 | Omnibus |