Letters (Perry Rhodan #987)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-987-1669646.html
Editions/Publications:
- 1980 . Perry Rhodan, #987: Die sanften Invasoren (1980, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)
- 1980 . Perry Rhodan, #753: Strategen des Universums (1980, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)
- 1980 . Perry Rhodan, #390: Die CREST im Strahlensturm (1980, various, Pabel-Moewig, DM 1.80, 68 pages, digest, MAGAZINE)