A person's body language gives us important insight into what they're really thinking and feeling, and our own body language is a valuable communication tool. Being aware of what signals different aspects of body language send is an important part of being an effective communicator. Readers explore these different aspects--from facial expressions and hand gestures to posture and personal space--with the help of relatable examples, insightful facts, and full-color photographs. Sidebars introduce important topics such as setting boundaries and the relationship between nonverbal communication and autism spectrum disorder.