Letter (Perry Rhodan #519)

From Author Wars - https://authorwars.com/books/letter-perry-rhodan-519-2766404.html

Overview:

Title: Letter (Perry Rhodan #519)
Author: various
Year: 1987
Type: Essays

Editions/Publications:

1987 . Perry Rhodan, #519: Das Heimliche Imperium (1987, various, Pabel-Moewig, DM 2.20, 72+xii pages, digest, MAGAZINE)
1987 . Perry Rhodan, #259: Der unheimliche Roboter (1987, various, Pabel-Moewig, DM 2.20, 68 pages, digest, MAGAZINE)