Synopsis
History
First publication: Ace Double #M-129, with The Alternate Martians, Ace Books, 1965
Review
Videos
We have the story in these editions:
The Alternate Martians / Empress of Outer Space, paperback, Ace Books, 1965-00-00
All of the stories in the Empress Irene series:
1 Empress of Outer Space
2 Space Mercenaries
3 Nebula Alert
