C.S. Lewis, The Abolition of Man, Collier, 1955 and other editions.
J. Patout Burns, ed., Theological Anthropology: Sources of Early Christian Thought, Fortress, 1981.
John D. Zizioulas, Being as Communion: Studies in Personhood and the Church, St. Vladimir's, 1985.
Donald De Marco and Benjamin Wiker, Architects of the Culture of Death, Ignatius, 2004.
Fergus Kerr, Theology after Wittgenstein, 2d ed., SPCK, 1997.
Christopher West, Theology of the Body for Beginners: A Basic Introduction to Blessed John Paul II's Sexual Revolution, rev. ed., Ascension Press, 2009.
John Paul II, Evangelium Vitae, online.
Dallas Willard, Renovation of the Heart: Putting on the Character of Christ, NavPress, 2002.
Other articles and book chapters, in an online reader.
For students with poor writing skills, my classes also feature conditionally required reading.