This book is invaluable to salespeople. After thirty plus years in sales, this book is the most practical resource I've ever read.
Mike Parker, M.B.A.
An absolutely terrific read. Highly recommended for anyone even remotely interested in the art of persuasion and influence.
Daniel Ulin, M.A.
Carl Christman presents a concise exploration of both the art and science of understanding people. His book offers valuable tips to those working in the health sector.
Trixy Franke, M.D.
As a trial lawyer, I have to read witnesses, clients, judges and sometimes a jury. Carl’s book has given me great insight into how subconscious thought influences perception and how to harness the power of nonverbal communication in my practice.
Stephen Levine, J.D.
Carl provides a wealth of practical techniques that enable you to quickly and accurately identify someone’s personality. Whether you are in business or simply want to become more persuasive among family and friends, this book gives you a detailed roadmap.
Michael Spremulli, M.S.
Human Resources Consultant