Letters (Perry Rhodan #586)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-586-2110282.html
Editions/Publications:
- 1972 . Perry Rhodan, #586: Der Riese aus dem All (1972, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)
- 1972 . Perry Rhodan, #352: Der Planet des tödlichen Schweigens (1972, various, Moewig, DM 1.00, 68 pages, digest, MAGAZINE)