Mat, that was the point. Very clever D.
But yes - if you really want to start NLP seriously... Well, there are skeptics, and there are practitioners, so to make up your own mind, start with Bandler and Grinder - The Structure of Magic 1 & 2.
My advice for learning NLP is the same as with psychological forces - because of performers like Derren, most people have a grossly inadequate expectation/picture of what NLP actually is. So you have to understand what you're learning, before you can learn. Therefore, start with the basics. And avoid trying to be Derren. Derren doesn't use NLP - he just reads Annemann, and creates patter that fools magicians. If you want to be like Derren, just read PME, Jinx, and Corinda.