Letters (Perry Rhodan #399)

From Author Wars - https://authorwars.com/books/letters-perry-rhodan-399-2113280.html

Overview:

Title: Letters (Perry Rhodan #399)
Author: various
Year: 1969
Type: Essays

Editions/Publications:

1969 . Perry Rhodan, #399: Alarm für die Galaxis (1969, various, Moewig, DM 0.90, 68 pages, digest, MAGAZINE)
1969 . Perry Rhodan, #165: Kontaktschiff Terrania (1969, various, Moewig, DM 0.90, 68 pages, digest, MAGAZINE)