Letters (Perry Rhodan Action #4)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-action-4-2135696.html
Editions/Publications:
- 2008 . Perry Rhodan Action, #4: Festung der Regenten (2008, various, Pabel-Moewig, €1.85, 68 pages, digest, MAGAZINE)