Letters (Perry Rhodan #1060)

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Overview:

1981 . Perry Rhodan, #1060: Der Planet Vulkan (1981, various, Pabel-Moewig, DM 2.00, 68+xvi pages, digest, MAGAZINE)
1981 . Perry Rhodan, #826: Kristalle der Gewalt (1981, various, Pabel-Moewig, DM 2.00, 68 pages, digest, MAGAZINE)
1981 . Perry Rhodan, #463: Die Spione von Siga (1981, various, Pabel-Moewig, DM 2.00, 68 pages, digest, MAGAZINE)