A Door Into Ocean (Science Fiction novel) Hardcover – January 1, 1986
by Joan Slonczewski 
 
Joan Slonczewski's A Door into Ocean is the novel upon which the author's reputation as an important SF writer principally rests.

A ground-breaking work both of feminist SF and of world-building hard SF, it concerns the Sharers of Shora, a nation of women on a distant moon in the far future who are pacifists, highly advanced in biological sciences, and who reproduce by parthenogenesis--there are no males--and tells of the conflicts that erupt when a neighboring civilization decides to develop their ocean world, and send in an army.
 
 
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