Understanding Human Behavior: The Complete Guide to Human Behavior, Personality Types, and Body Language Mastery

Understanding Human Nature: A User's Guide To Life

The Behaviour Manual: An Educator's Guidebook

Personality Adaptations: A New Guide to Human Understanding in Psychotherapy .

How to Read People Like a Book: Speed-Read, Analyze, and Understand Anyone's Body Language, Emotions, and Thoughts (Master the Art of Self-Improvement)