This is THE advanced course in subtle influence! Remember when you read Covert Hypnosis: An Operator’s Manual, and you got that WOW! feeling inside?! Well, that was just the beginning. In Covert Hypnosis: An Advanced Course in Unconscious Influence, you are going to learn how to subtly move inside the minds of anyone you communicate with. In trance or out, this is the most powerful material on Covert Hypnosis on the planet. Period. Kevin Hogan, Psy.D.