This book well describes the Two categories of communications Verbal and Non - Verbal. The Psychology of reading people by their Words, Body language, Gestures, tone.
It describes to read and analyse people through their Facial Expressions, Movement of Eyes Mouth & Eyebrows, Sound of voice tone, Movement of Legs & arms, Smile, Body language and last the most Important by your own intuition and your own guts feeling.
Some of the Best Topic that you will find Interesting:-
Forbidden Psychology, Are they Lying, Psychological Warfare and How to Spot Romantic Interest.