Unmasking the Face: A Guide to Recognizing Emotions from Facial Expressions
By Paul Eckman and Wallace V. Friesan
Prentice-Hall Inc., 1975
This book is filled with close-up black and white photos of men and women demonstrating various facial expressions. Scrunched up noses, knitted brows, raised eyebrows, the "fear mouth," the meaning of the naso-labial fold-all are demonstrated and explained in minute detail. You thought you could recognize facial expressions without a book? Wrong!