Letters (Perry Rhodan #1520)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-1520-2803145.html
Editions/Publications:
- 1990 . Perry Rhodan, #1520: Geschäfte mit Topsid (1990, various, Pabel-Moewig, DM 2.20, 72+xii pages, digest, MAGAZINE)