This is a collection of papers on action theory, very broadly conceived. It contains cutting-edge work by some of the most important contributors in the field.

Ernest Sosa is Board of Governors Professor of Philosophy at Rutgers, and has published extensively in epistemology, metaphysics, and other areas. Enrique Villanueva is a member of the Instituto de Investigaciones Juridicas at UNAM, and has published in the philosophy of mind.