From the world's #1 body language expert* comes the essential book for decoding human behavior Joe Navarro has spent a lifetime observing others. For twenty-five years, as a Special Agent for the FBI, he interrogated spies and other dangerous criminals, mastering the art of nonverbal communication. After retiring from the Bureau, he wrote the groundbreaking bestseller What Every BODY Is Saying. Now, Navarro returns with his most ambitious work yet. The Dictionary of Body Language is a pioneering field guide to nonverbal communication, revealing the more than four hundred behaviors that will allow you to gauge anyone's true intentions. Moving from the head down to the feet, Navarro shows the hidden meanings behind what we do. Readers will learn how to tell a person's feelings from changes in their pupils; the lip behaviors that may betray concerns; the different varieties of arm posturing, and what each one means; and many other fascinating insights. Readers will turn again and again to The Dictionary of Body Language?a bible for understanding what your boss really means, whether a potential romantic partner is interested or not, and how to put yourself forward in the most favorable light.