Jelaskan Catholic Christianity (2001) dari Peter Kreeft

Refutation of Moral Relativism (1999) — Dialog-dialog antara relativis dan absolutis

The Snakebite Letters (1998) — Rahasia-Rahasia Cerdik untuk Masyarakat Subversif

The Journey (1996) — Peta Spiritual untuk Peziarah-Peziarah Modern

Ecumenical Jihad: Ecumenism and the Culture Wars (1996)

Angels (and Demons): What Do We Really Know About Them? (1995)

Shadow-Lands of C.S. Lewis: The Man Behind the Movie (1994)

C. S. Lewis for the Third Millennium (1994) — Enam esai tentang Abolition of Man karya Lewis

Handbook of Christian Apologetics (dengan Ronald K. Tacelli) (1994)

Christianity for Modern Pagans: Pascal's Pensees (1993)

Shorter Summa (1993) — Versi pendek dari Summa of the Summa karya Kreeft

Three Philosophies of Life (1990) — Pengkhotbah (hidup sebagai kesia-siaan), Ayub (hidup sebagai penderitaan), Kidung Agung (hidup sebagai cinta)

Summa of the Summa (1990) — Summa Theologica diedit dan dijelaskan untuk para pemula

Making Choices: Practical Wisdom for Everyday Moral Decisions (1990)

Everything You Ever Wanted To Know About Heaven... But Never Dreamed of Asking (1990)

Heaven, the Heart's Deepest Longing (1989)

Fundamentals of the Faith, Essays in Christian Apologetics (1988)

Making Sense Out of Suffering (1986)

For Heaven's Sake: The Rewards of the Virtuous Life (1986)

Yes or No? — Straight Answers to Tough Questions about Christianity (1984)

The Best Things in Life (1984) — Dua belas dialog Sokratik tentang kehidupan modern

The Unaborted Socrates (1983) — Dialog Sokratik tentang aborsi

Between Heaven and Hell: (1982) — Dialog dengan John F. Kennedy, C. S. Lewis, dan Aldous Huxley

Love Is Stronger Than Death (1979) — Tentang makna kematian dan kehidupan