Mary Wollstonecraft's Thoughts on the Education of Daughters (1787) is a concise yet ambitious conduct book that scrutinizes the intellectual, moral, and social formation of young women. Written in the polished, exhortatory prose of late eighteenth-century moral philosophy, it blends practical advice with a nascent feminist critique of female dependence. Situated within Enlightenment debates on sensibility, virtue, and education, the work challenges ornamental accomplishments and argues for disciplined reason, useful knowledge, and ethical self-command. Wollstonecraft wrote from intimate experience of precarious womanhood: as a governess, companion, teacher, and observer of domestic unhappiness, she understood how limited education confined women to economic vulnerability and emotional submission. Before her more famous A Vindication of the Rights of Woman, this early work already reveals her conviction that women's characters are shaped less by nature than by institutions, habits, and expectations that deny them serious cultivation. Readers interested in feminist thought, educational theory, or Enlightenment prose will find this book indispensable. Though brief, it illuminates the foundations of Wollstonecraft's later radicalism and remains a compelling appeal for education as moral independence.