Ekman, Paul. Emotions revealed : recognizing faces and feelings to improve communication and emotional life / Paul Ekman. - New York : Henry Holt, 2004. - xxi, 274 p. : ; ill. ;. 21 cm. : Includes bibliographical references (p. 247-262) and index. ISBN: 080507516X Subjects--Topical Terms: Nonverbal communication.Emotions.Interpersonal communication. Dewey Class. No.: 152.4 EK EM