Elucidates a problem integral to the history of Western philosophical thought - the relationship of the mind and body. This work develops a theory of the human mind and consciousness based on the advances in the field that came to be known as cognitive science.

Nominated for the 1995 National Book Award for Non-Fiction, this masterly exploration reaffirms the validity of Darwin's theory of natural selection and brilliantly demonstrates its compatibility with free will, sacred beliefs, and the dignity of humankind.