Colonies in Space(1977)
A non fiction book by T A Heppenheimer
A Comprehensive and Factual Account of the Prospects For Human Colonization of Space. Definitive study of the next step for mankind--earthlike communtiies living in space. Heppenheimer d iscusses his belief that out energies must be channeled into putting human life in space and explains how, with present technologies, it can be done.
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