The Expression of the Emotions in Man and AnimalsA new edition of Darwin's remarkable account of the connection between emotion and facial expression which grew out of The Descent of Man. Published in 1872, The Expression of the Emotions in Man and Animals was a book at the very heart of Darwin's research interests, serving as a central pillar of his 'human' series. This book engaged some of the hardest questions in the evolution debate, and it showed the ever cautious Darwin at his boldest. If