Sex and Gender: A Contemporary Reader is a much-needed exploration of the relationship between sex, gender and gender identity. Its multidisciplinary approach provides fascinating perspectives from the sciences, social sciences and humanities, as well as biology, neuroscience, medicine, law, sociology and English literature. The 15 chapters are original contributions, authored by scholars who are leaders in their respective fields.This thought-provoking collection offers significant methodological, theoretical and empirical insights into one of the most fraught debates in contemporary politics and academia. It provides a broad-ranging introduction to the issues central to questions about how and why sex matters from a range of disciplinary perspectives, drawing out the social, political and legal implications.Questions addressed include: Is sex binary? What is a woman? Why do we need data on sex? Also discussed are topics widely debated today such as sports, feminism, sex and inequality, sex-based rights, puberty suppression, criminal justice and gender dysphoria.Sex and Gender: A Contemporary Reader is a timely introduction to contemporary debates on sex and gender. It is an accessible text for both general readers and for students of gender issues across a wide range of disciplines including sociology, education, history, philosophy and gender studies.