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Perry Rhodan & His Electric Time Machine

Forry Rhodan

First published 1971
Type Essay

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