Woman on the Edge of Time - Marge Percy

After being unjustly committed to a mental institution, Connie Ramos is contacted by an envoy from the year 2137, who shows her a utopian future of sexual and racial equality and environmental harmony.

But Connie also bears witness to another potential outcome: a dystopian society of grotesque exploitation. One will become our world. And Connie herself may strike the decisive blow...