Marge Piercy authored the widely cited book on feminism, "Woman on the Edge of Time", which explores themes of societal change and gender equality. This novel intertwines science fiction and feminist ideas, reflecting on the struggles women face in contemporary society while envisioning a better future. Piercy's work encourages readers to critically examine their realities and consider the implications of their actions on future generations. Through her poignant narratives, she has significantly contributed to feminist literature and discussions about social justice.