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