"What Every Body is Saying" is a bestselling self-help book by Joe Navarro, a former FBI counterintelligence officer and expert on nonverbal behavior. The book serves as a guide to speed-reading people by interpreting their body language and nonverbal cues to better understand their thoughts and feelings

. Key points about the book include:

• It explains the physiology and psychology behind common body movements and positions, helping readers become more aware of nonverbal communication in daily life

• The author emphasizes that nonverbal cues are best used to gauge a person's stress, comfort, or discomfort levels rather than to definitively detect lying or truthfulness

• The book offers practical advice on reading body language to improve interpersonal communication, relationships, and influence

• Some readers find the book accessible and insightful, though others feel it sometimes lacks scientific proof or overemphasizes certain points

• It includes analysis of specific body parts like hands and feet and their associated meanings, providing a detailed framework for understanding nonverbal signals

Overall, "What Every Body is Saying" is recognized as a valuable resource for anyone interested in enhancing their ability to interpret human behavior through body language, combining FBI expertise with practical applications