Ancient Philosophy: The Fundamentals

What God Would Have Known: How Human Intellectual and Moral Development Undermines Christian Doctrine

Killing for the Republic: Citizen-Soldiers and the Roman Way of War

Transcendentalism and the Cultivation of the Soul

Faith Under Fire: Stories of Hope and Courage from World War II

Why Study History?: Reflecting on the Importance of the Past

Kierkegaard: A Single Life

Religion and Medicine: A History of the Encounter Between Humanity's Two Greatest Institutions

Philosophy: A Christian Introduction

Sacred Science: Understanding Divine Creation

The Rise of Western Christendom: Triumph and Diversity, A.D. 200-1000

High on God: How Megachurches Won the Heart of America

How Africa Shaped the Christian Mind: Rediscovering the African Seedbed of Western Christianity

A Short World History of Christianity, Revised Edition

The Culture of Military Organizations

Fundamentalism and American Culture: 2nd Edition

Reading the Church Fathers: A History of the Early Church and the Development of Doctrine

COVID WARS: America's Struggle Over Public Health and Personal Freedom

What the Rabbis Know That I Never Learned in Church

Fatal Discord: Erasmus, Luther, and the Fight for the Western Mind