The Handbook on Facial Expression of Emotion is a compilation of writings from pioneering academic postgraduate course Facial Expression of Emotion lead by Professor Freitas-Magalhães at the University Fernando Pessoa in Oporto, Portugal. The authors in this collection were also seminar participants as either faculty or graduate student. Each chapter represents a unique perspective on facial emotional expression. Various innovative and classical theoretical approaches are represented, such as, a contemplation of face transplantation, traditional views on the etiology of emotion, techniques to detect facial deception, specific types of smiles, facial feedback, and the development of facial expression. Abnormalities observed in the facial expression of emotion, such as in Schizophrenic and Parkinson's disease populations are discussed, as are relevant sociological and cultural meanings associated with facial expressions of emotion.