Mizora: A Prophecy.

Mizora: A Prophecy, written by Mary E. Bradley Lane in the late 19th century, is a science fiction novel that follows Vera Zarovich, who is exiled from her home and discovers a subterranean civilization inhabited solely by women. The narrative explores the social structures and values of this 'utopian' society, offering a critique of contemporary gender roles and norms. Notable for its early feminist themes, the book reflects Lane's vision of a world where women thrive independently.