Thanks. Its 13 steps to mentalism actually
I'm a fair way past those books and have a fair understanding of mentalism and was looking for advice more directly related to NLP. These are probably from the sphere of psychology rather than magic.
Magic-related books like 'Psychological subtleties' only scratch the surface of this subject. In Corinda's book he also briefly touches on these phenonema but only explains how some things work and he doesn't ask why, which is what I want to do.
For those who are interested there is an e-book by David Shuttleworth which gives a very basic overview of the subject of NLP and Hypnosis. Go to:
subliminalpersuasion.co.uk