L Michael Hall 
The Spirit of NLP [EPUB ebook] 
The Process, Meaning & Criteria for Mastering NLP

L. Michael Hall is a Cognitive Psychologist who through research into NLP and Self-Actualization Psychology is now a modeler of human excellence; he has completed 15 modeling projects from Resilience, Women in Leadership, Self-Actualization, Coaching, Self-Actualizing Leaders, Managers, and Companies, Selling, Defusing, Wealth Creation, etc. He has authored 50 NLP books and a series on Meta-Coaching. Michael co-founded the ISNS (International Society of Neuro-Semantics) and the MCF (Meta-Coaching Foundation) and is an internationally renowned trainer.