Why do dogs wag their tails and cats purr? Why do we get embarrassed, and why does embarrassment make us blush? Why do we frown when we're disappointed? These any many other questions about the emotional life of humans and animals are answered in this remarkable book.
The Expression of the Emotions in Man and Animals was an immediate best-seller when it was first published in 1872 and still provides the point of departure for research into emotion...