Bonhoeffer: Pastor, Martyr, Prophet, Spy

The Ottoman Empire: 1300-1600

Seven Men: And the Secret of Their Greatness

Outlandish Knight: The Byzantine Life of Steven Runciman

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

Amazing Grace: William Wilberforce and the Heroic Campaign to End Slavery

If You Can Keep It: The Forgotten Promise of American Liberty

Letter to the American Church

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

Miracles: What They Are, Why They Happen, and How They Can Change Your Life

The Last Days of the Incas

A Short History of South-East Asia: Edition 6

Is Atheism Dead?

Elizabeth I

No Pressure, Mr. President! The Power Of True Belief In A Time Of Crisis: The National Prayer Breakfast Speech

Everything You Always Wanted to Know about God (But Were Afraid to Ask): The Jesus Edition

Empires of the Sea: The Final Battle for the Mediterranean, 1521-1580