Letters (Perry Rhodan #177)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-177-2990790.html
Editions/Publications:
- 1981 . Perry Rhodan, #177: Der Untergang des 2. Imperiums (1981, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)