"Dr. Kagan's book is chock-full of interesting and clever observations as well as novel insights. It is very different from other recent books on emotion and makes a definite contribution to the field."-Lisa Feldman Barrett, Boston College

"Kagan's erudition is rare, and his commentary on issues in emotion theory and research is interesting and controversial."-Carroll E. Izard, University of Delaware

"Be prepared to read a brilliant, erudite, fascinating, and provocative work. Written by one of the few scholars who kept the study of emotion alive when once no one cared, this book tackles the results of the recent flood of emotion studies stemming from the "Affect Revolution." Professor Kagans book is simultaneously a critical synthesis of fact and theory in contemporary emotion studies, and a controversial set of proposals for the future. This tome may be the authors most provocative and potentially impactful of his many books to date."-Joseph J. Campos, Ph.D., Professor of Psychology, University of California, Berkeley

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