Reading People: The Complete SpeedProfiling System: Human Behavior, Body Language, Lie Detection & Hidden Signals Paperback – October 23, 2025

Every movement tells a story—if you know how to read it.This groundbreaking manual reveals the complete SpeedProfiling System: an evidence-based framework for decoding human behavior, body language, microexpressions, and deception in real time. Behavioral expert Marcel Kaffenberger combines decades of research from psychology, neuroscience, and professional profiling to teach you how to understand people precisely and ethically.READ PEOPLE ACCURATELY — FASTThis practical, research-informed system shows you how to decode body language, microexpressions, and verbal & behavioral patterns in real time.Reading People: The Complete SpeedProfiling System is a hands-on manual with clear methods, step-by-step protocols and exercises from behavioral psychology, nonverbal communication and deception analysis.WHAT YOU’LL LEARNDecode body language & nonverbal cues (posture, gestures, eye contact, proxemics)Read facial cues & microexpressions to uncover hidden emotions in real timeDetect deception: evidence-based red flags, statement analysis & interview tacticsMap motives, fears, limbic & stress responses that drive human behaviorProfile personality types & adapt your communication ethically across contextsApply SpeedProfiling at work: negotiation, leadership, hiring, sales & safetyINSIDE THE BOOKFoundations of perception and intuition; limbic system and stress responses; the SpeedProfiling process; body-language codes; microexpressions; lie detection and manipulation techniques; language patterns and interviewing; signs of attraction and violence; personality types; plus the complete SpeedProfiling Protocol.This over-600-page guide bridges science and practice—transforming observation into insight and intuition into mastery.WHO IT’S FORBusiness leaders, sales and HR professionals, coaches and therapists, law enforcement and security—and anyone who wants a sharper edge in communication and decision-making.Clear methods. Practical tools. Research-informed. Ethics first.Stop guessing what people think—start knowing. Read more