Letters (Perry Rhodan #456)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-456-1906933.html
Editions/Publications:
- 1970 . Perry Rhodan, #456: Der Schaukampf (1970, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)
- 1970 . Perry Rhodan, #222: Die Doppelgänger von Andromeda (1970, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)