Biology and Human Behavior: The Neurological Origins of Individuality, 2nd Edition
2013
Rome and the Barbarians
2013
How Conversation Works: 6 Lessons for Better Communication
2013
How Jesus Became God
2014
Why You Are Who You Are: Investigations into Human Personality
2018
Gnosticism: From Nag Hammadi to the Gospel of Judas
2015