God's Irishmen: Theological Debates in Cromwellian Ireland

The Righteous Mind: Why Good People are Divided by Politics and Religion

John Owen and English Puritanism: Experiences of Defeat

Son of Hamas: A Gripping Account of Terror, Betrayal, Political Intrigue, and Unthinkable Choices

Writing the Rapture: Prophecy Fiction in Evangelical America

The Fall of America

The Irish Puritans: James Ussher and the Reformation of the Church

What It Means to Be Protestant: The Case for an Always-Reforming Church

The Rise and Fall of Christian Ireland

India, Bharat and Pakistan: The Constitutional Journey of a Sandwiched Civilisation

Enforcing Reformation in Ireland and Scotland, 1550–1700

The Holy Bible Challenges the World: Answers to “The Bible Handbook” published by American Atheist Press

Prophet's Prey: My Seven-Year Investigation into Warren Jeffs and the Fundamentalist Church of Latter-Day Saints

Peace with God: The Secret of Happiness

The Secrets of the Heart

On Being Reformed: Debates over a Theological Identity

Church of Cowards: A Wake-Up Call to Complacent Christians

The Blood of Lambs: A Former Terrorist's Memoir of Death and Redemption

Nuclear Armageddon Is ‘At the Door’

World Crisis and the Pathway to Peace