Letter (Perry Rhodan #515)
From Author Wars - https://authorwars.com/books/letter-perry-rhodan-515-2705230.html
Editions/Publications:
- 1987 . Perry Rhodan, #515: Die Wächter der Einsamkeit (1987, various, Pabel-Moewig, DM 2.20, 72+xii pages, digest, MAGAZINE)
- 1987 . Perry Rhodan, #255: Sperrzone in Andromeda (1987, various, Pabel-Moewig, DM 2.20, 68 pages, digest, MAGAZINE)