Simon Greenleaf, The Testimony of the Evangelists: The Gospels Examined by the Rules of Evidence
Albert Schweitzer, The Quest of the Historical Jesus
Norman Geisler, Roots of Evil
J.I. Packer, I Want to Be a Christian and Knowing God
Josh McDowell, Evidence that Demands a Verdict and More Than a Carpenter
John Stott, Basic Christianity
Frank Morrison, Who Moved the Stone?
C.S. Lewis, Mere Christianity and Screwtape Letters
John Warwick Montgomery, Where is History Going: Essays in Support of the Historical Truth of Christ, The Is God Dead? Controversy, How Do We Know that There’s a God?
G.K. Chesterton, The Everlasting Man
Thomas Aquinas, The Summa Theologica
Blaise Pascal, Pensees’
Francis Schaeffer, The God Who was There