In this episode, Kenny addresses a point brought to him by a regular listener about the completion of the New Testament, the authenticity of the Biblical narratives, and the completeness (or wholeness) of the essence of the Gospel message, as well as the related theological elements and doctrinal components.
Basically, how do we know that the message of the Gospel that we preach today is actually indeed the whole Gospel message that Jesus preached? How do we know that the early church didn't leave anything out (whether intentionally or maliciously)?
The Historical Jesus (by Gary R. Habermas)
The Case for the Resurrection of Jesus (by Gary R. Habermas & MIchael Licona)
Christian Origins and the Question of God (4-Book Series) (by NT Wright)