Letters (Perry Rhodan #768)

From Author Wars - https://authorwars.com/books/letters-perry-rhodan-768-1726359.html

Overview:

Title: Letters (Perry Rhodan #768)
Author: various
Year: 1976
Type: Essays

Editions/Publications:

1976 . Perry Rhodan, #768: Terra-Patrouille (1976, various, Pabel-Moewig, DM 1.50, 68+xvi pages, digest, MAGAZINE)
1976 . Perry Rhodan, #534: Der Schwarze Dämon (1976, various, Pabel-Moewig, DM 1.50, 68 pages, digest, MAGAZINE)