Joanna Russ The Female Man

The Female Man is a feminist science fiction novel written by Joanna Russ. It was originally written in 1970 and first published in 1975. The book was re-released in 2000. Russ is an avid feminist and challenged sexist views during the 1970s with her novels, short stories, and nonfiction works. 
The novel follows the lives of four women living in parallel worlds that differ in time and place. When they cross over to each others’ worlds, their different views on gender roles startle each others’ preexisting notions of womanhood. In the end, their encounters influence them to evaluate their lives and shape their ideas of what it means to be a woman.