It features perspectives that are intersectional, transnational, sex positive, and attentive to historically marginalized groups along multiple axes of inequality, including gender, race, class, ability, body size, religious identity, age, and, of course, sexuality. Essays explore how a wide variety of social institutions, including medicine, religion, the state, and education, shape sexual desires, behaviors, and identities. Sources of, and empirical research on, oppression are discussed, along with modes of resistance, activism, and policy change. The fourth edition also adds new user-friendly features for students and instructors. Keywords are italicized and defined, and each chapter concludes with review questions to help students ascertain their comprehension of key points. There is also an online annotated table of contents to help readers identify key ideas and concepts at a glance for each chapter.