What people say is often very different from what they think or feel. Body language by Allan Pease is just what you require to know those feelings which people often try to hide. There are things that an untrained eye does not detect, but this book is capable of even making a rookie a pro. Allan pease is an international expert on communicating without words and has reliably poured his thoughts into this book. His book has had over half a million sales with people all round the world.