Question: The Spinster and Her Enemies: Feminism and Sexuality 1880-1930 is a 1985 book about feminist involvement in the Social Purity movement by which lesbian feminist, an  English expatriate in Australia, is best known as a lesbian feminist scholar and political activist, for her analysis of the history and politics of human sexuality in the UK, and for her controversial views on transsexuals?
Sentence (from "Macho Sluts"): Bronstein characterizes the collection as an activist response to anti-pornography feminists' characterization of "SM as as a dangerous form of sexuality that reproduced the positions of power associated with heterosexuality."
Relevant evidence: No