Judgment on Janus Andre Norton Judgment on Janus Andre Norton · 1979 First published 1 year earlier Save Continue from here
The Crossroads of Time (Crosstime Andre Norton The Crossroads of Time (Crosstime Andre Norton · 1969 First published 11 years earlier Save Continue from here
Beyond This Horizon Robert A. Heinlein Beyond This Horizon Robert A. Heinlein · 1979 First published 1 year earlier Save Continue from here
Clone Richard Cowper Clone Richard Cowper · 1974 First published 6 years earlier Save Continue from here
