Letters (Perry Rhodan #1788)
From Author Wars - https://authorwars.com/books/letters-perry-rhodan-1788-2143126.html
Editions/Publications:
- 1995 . Perry Rhodan, #1788: Testcenter (1995, various, Pabel-Moewig, DM 2.50, 72+xii pages, digest, MAGAZINE)