Letter (Perry Rhodan #79)
From Author Wars - https://authorwars.com/books/letter-perry-rhodan-79-3391193.html
Editions/Publications:
- 1984 . Perry Rhodan, #79: Die Atomhölle von Gray Beast (1984, Karl Haas, Pabel-Moewig, DM 2.00, 68 pages, digest, MAGAZINE)