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13by Montgomery, SyTable of Contents: “...Shell shock -- In search of turtle time -- The turtle crisis -- Superpowers -- Time's arrow...”
Published 2023
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18by Stirling, S. M.Subjects: “...Time travel Fiction....”
Published 1998
Contributor biographical information
Publisher description
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19by Zartman, Robert E.Subjects: “...Geological time....”
Published 1987
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