The Problem of Secret Intelligence (Intelligence, Surveillance and Secret Warfare)

Evolution and Intelligent Design in The Secret Doctrine

SIGINT: The Secret History of Signals Intelligence in the World Wars (Espionage)

The Secret Superpower of High Functioning Leaders: How Process Intelligence (PQ) Creates Unstoppable Teams and Unbeatable Results

Counter-Intelligence: What the Secret World Can Teach Us About Problem-solving and Creativity