Predictably Irrational: The Hidden Forces That Shape Our Decisions by Dans Ariely - Book Summary - Readtrepreneur
(Disclaimer: This is NOT the original book, but an unofficial summary.)

The human being is often referred as a rational creature, however, are we completely rational or do we have an expected irrationality within our core? Predictably Irrational is an exploration through the irrational side of the human being and why is this actually an expected behaviour. In this title, Dans Ariely breaks down his theory on the irrationality of humans hoping that this book sheds a light on our nature and what can we learn from it to be better than we are now.
(Note: This summary is wholly written and published by readtrepreneur. It is not affiliated with the original author in any way)

"Individuals are honest only to the extent that suits them (including their desire to please others)" - Dan Ariely

Before we can begin to know the world, we must know each other and Predictably Irrationals delivers extremely useful insight about our nature, it explores a topic which is uncommon but important to know. An in-depth knowledge about ourself will improve our decision making and our quality as an individual. Dan Ariely stresses that knowing the predictably irrational nature of the human being and its pattern will make you able of having a better judgement and control of yourself which will result in superior decision making.

P.S. Predictably Irrational is an extremely interesting book that makes the bold attempt to study uncharted territory and nails it. This title will provide you with an extensive knowledge of human nature.