This casebook on the law of sexual orientation and gender identity weaves interdisciplinary perspectives into the up-to-date coverage of a rapidly changing legal landscape. It provides comprehensive coverage of the range of legal issues concerning LGBT persons, along with scholarly commentary on these issues. It also covers issues of sexuality and gender more broadly. It addresses in depth many significant recent developments, including the Supreme Court's landmark decisions on marriage equality in Obergefell and Windsor, and the growing set of religious liberty claims asserted by opponents of LGBT equality measures. Gender identity issues are covered throughout the book.