The laws of human nature by Robert Greene: This book explains the complexity of human behavior.
Thinking fast & slow by Daniel Kahneman: This book explores the two systems of thinking that helps us make decisions.
The Lucifer effect by Phillip G. Zimbardo: This book explains how human behavior changes in different situations & places.
Emotional Intelligence by Daniel Goleman: This book talks about the role of emotions in our lives.
Games people play by Eric Berne: This book is about the games that unconsciously play in their relationships.