This Norton Critical Edition includes: Three major essays--On Liberty (1859), Utilitarianism (1861), and The Subjection of Women (1869)--that illustrate Mill's liberal political philosophy at the height of his powers. Editorial matter--including a richly detailed introduction--by Nadia Urbinati. Nine major commentaries--by Alan Ryan, Jonathan Riley, Piers Norris Turner, Wendy Donner, Elizabeth Anderson, Colin Heydt, David Dyzenhaus, Martha Nussbaum, and Georgios Varouxakis--that address the major themes of Mill's philosophy. A chronology, a selected bibliography, and an index.