Synopsis
History
First publication: Ace Double #H-65, with The Key to Venudine by Kenneth Bulmer, Ace Books, 1968
Expansion from “Mercenary.”
Review
Videos
We have the story in these editions:
Mercenary from Tomorrow / The Key to Venudine, paperback, Ace Books, 1968-00-00
All of the stories in the Joe Mauser series:
Joe Mauser: Mercenary from Tomorrow
Mercenary
1 Mercenary from Tomorrow
2 The Earth War
3 The Fracas Factor
4 Time Gladiator