"Mindreader" by David J. Lieberman is a practical guide to understanding other people's thoughts, emotions and attitudes. The book shows techniques for interpreting body language, verbal signals and behaviour patterns, helping readers increase their capacity for influence and effective communication. With concrete examples and simple strategies, Lieberman helps readers strengthen personal and professional relationships, improve negotiations and build trust. This book is an essential tool for anyone who wants to understand people better and handle social situations successfully.