Catholic Sexual Ethics: A Summary, Explanation, & Defense - Softcover

William E. May is emeritus professor of moral theology at the Pontifical John Paul II Institute for Studies on Marriage and Family at The Catholic University of America and senior fellow for the Culture of Life Foundation. He is the author of An Introduction to Moral Theology, 2nd Edition (Our Sunday Visitor 2003) and Catholic Bioethics and the Gift of Human Life, 2nd Edition (Our Sunday Visitor 2008). From 1986-1996, he was a member of the International Theological Commission at the appointment of Pope John Paul II.

Father Ronald Lawler, O.F.M. Cap. (1926-2003), was the director of adult and family religious education for the Diocese of Pittsburgh and adjunct professor of theology at Franciscan University of Steubenville. He co-authored the acclaimed catechism The Teaching of Christ, 5th Edition (Our Sunday Visitor).

Joseph Boyle, Jr., is professor of philosophy at the University of Toronto. He is a fellow and former principal (dean) at St Michael's College in the University of Toronto.