Across Time
From Author Wars - https://authorwars.com/books/across-time-1014075.html
Overview:
- Title: Across Time
- Author: Ed Valigursky
- Year: 1958
- Type: Cover Art
Variant Titles:
Editions/Publications:
- Unknown. Across Time / Invaders from Earth (Unknown, Ed Valigursky, Ace Books, $0.35, 150+169 pages, dos, Omnibus)