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Fortress of the Six Moons

K. H. Scheer

First published 1971
Type Short Fiction
Length Novella

Date Publication Publisher Type Page
1971 Cover Perry Rhodan #7: Fortress of the Six Moons Ace Books MAGAZINE 9
1972 Cover Fortress of the Six Moons Ace Books MAGAZINE 9
1974 Cover Perry Rhodan #7: Fortress of the Six Moons Ace Books MAGAZINE 9
August 1975 Cover Fortress of the Six Moons Orbit Chapbook