"Face to Face" is a fundamental research work written by the American psychologist and expert in the field of non-verbal communication, Paul Ekman. The book deals in detail with facial expressions and their hidden meaning, the relationship between emotions and physiology, and psychological mechanisms affecting human facial expressions and gestures. The author guides readers through the veiled signals that we use in daily communication, revealing the basic principles and patterns of nonverbal behavior. The book "Face to Face" reveals the secrets of our emotions and helps to better understand ourselves and others through the analysis of facial expressions. This book will be a useful tool for anyone interested in the psychology of communication, human interaction, and the development of emotional intelligence. "Face to Face" is a valuable guide that will help everyone explore the complexity of our internal states through the study of external manifestations.