This major textbook offers both an introduction to and key readings in twenty core political concepts. It blends original essays that survey debates and contact with up-to-date primary literature to provide students with an ideal collection for use on a wide range of courses in political studies. It reflects the broad nature of politics generally and political philosophy in particular from a perspective that highlights current debates and new trends surrounding many of the concepts we use to orient ourselves in the political world. The original essays and key readings together form an unparalleled introduction to the most dynamic and contested aspects of political studies that will be of interest to all who wish to engage with the issues animating current political life. The following concepts are introduced: Justice Civil Society Liberty Power Equality