Perry Rhodan #13: The Immortal Unknown
From Author Wars - https://authorwars.com/publications/perry-rhodan-13-the-immortal-unknown-263671.html
Overview:
- Title: Perry Rhodan #13: The Immortal Unknown
- Author: Forrest J. Ackerman
- Year: 1974
- Publisher: Ace Books
- Price: $0.95
- Pages: 120
- Binding: Paperback
- Type: MAGAZINE
- Title Reference: The Immortal Unknown
- Notes:
- Artist is uncredited, but identical to cover from German issue #18.
- Stated Second Printing. This is volume #13 of the Perry Rhodan series.