Author Kevin Hogan has a doctorate in clinical hypnotherapy and is an internationally known trainer of hypnosis and neuro-linguistic programming. He is the author of seven books, including The Psychology of Persuasion ($22.00), which is now in its third printing. He is a body language commentator for the New York Post, a regular guest on national radio shows, and has been featured in Mademoiselle and on the cover of The Journal of Hypnotism.