Imperium (Keith Laumer)
Titles (6)
| # | Title | Author(s) | Year | Type |
|---|---|---|---|---|
| 1 | Worlds of the Imperium | Keith Laumer | 1962 | |
| 2 | The Other Side of Time | Keith Laumer | 1965 | |
| 3 | Assignment in Nowhere | Keith Laumer | 1968 | |
| 4 | Zone Yellow | Keith Laumer | 1990 | |
| Beyond the Imperium | Keith Laumer | 1981 | Omnibus | |
| Imperium | Keith Laumer | 2005 | Omnibus |