Mankind on the Run
From Author Wars - https://authorwars.com/books/mankind-on-the-run-989335.html
Overview:
- Title: Mankind on the Run
- Author: Ed Valigursky
- Year: 1956
- Type: Cover Art
Variant Titles:
Editions/Publications:
- Unknown. The Crossroads of Time / Mankind on the Run (Unknown, Ed Valigursky, Ace Books, $0.35, 169+151 pages, dos, Omnibus)