Letter (Perry Rhodan #507)
From Author Wars - https://authorwars.com/books/letter-perry-rhodan-507-2657708.html
Editions/Publications:
- 1987 . Perry Rhodan, #507: Zwischenspiel auf Tahun (1987, various, Pabel-Moewig, DM 2.20, 72+xii pages, digest, MAGAZINE)
- 1987 . Perry Rhodan, #247: Der Herr der Androiden (1987, various, Pabel-Moewig, DM 2.20, 68 pages, digest, MAGAZINE)