Evidence That Demands a Verdict - Josh McDowell
Don't Check Your Brains at the Door - Josh McDowell
The Case for Christ - Lee Strobel (also a movie)
The Colson Center for Christian Worldview - Founded by Charles Colson
The Bible Project - Our mission is to help people experience the Bible as a unified story that leads to Jesus.
Letters from a Skeptic: A son wrestles with his father's questions about Christianity - Greg Boyd and Edward Boyd