LLost Cities and Vanished CivilizationsLost Cities and Vanished Civilizationsde Robert SilverbergEdiciones (2)Lost Cities And Vanished Civilizations (1968)Chilton Book Co.Lost Cities and Vanished Civilizations (1963)Bantam PathfinderMás obras de Robert SilverbergTThe time-hoppersThe time-hoppers1967The New Hugo Winners, Volume III1994Legends volume 2 [3 works]
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