This book is an up-to-date compendium of knowledge on the secret language of close relationships, namely nonverbal routes of communication.  In close relationships, as everyone learns sooner or later, the usefulness of words can be somewhat limited, because people (a) mean different things by the same words, (b) mean the same thing by different words, (c) sometimes find it hard to express their feelings in words, and (d) lie.  Nonverbal signals therefore often provide the best means of communication. The book points out how decoding (interpreting) nonverbal signals is a major key to...