How are men and women different? How does being a male or a female affect us at work? What are the roles of husband and wife in marriage and parenting? What does Christianity have to do with any of these things? Sexual identity lies at the core of the crucial questions that everyone asks of life. Yet today those questions are harder and harder to answer. Traditions about the "real man" and the "woman's place" have been challenged. Scientists debate what nature actually dictates for male and female. And theologians engage in heated controversy over what the Bible really says about female submission and male headship. In this sane yet provocative book, an informed social scientist and committed Christian thinker braves a jungle of confusion to offer unusual insight on the part genes, culture and faith play in making us the men and women we are—and ought to become.