Question

im looking for a book which can help me to understand the psychology of people in day to day life, which is simple and not too much into the technical detail.If you know any such please help

Answer 1

Sounds like you're talking about Social Psychology.

You could look up a book called "The Person and The Situation: Perspectives of Social Psychology."

Answer 2

Thanks needed one too

Answer 3

I suggest books that will teach you how to read body language.