Postmodern philosophy is often dismissed as unintelligible, self-contradictory, and as a passing fad with no contribution to make to the problems faced by philosophers in our time. While this characterization may be true of the type of philosophy labeled postmodern in the 1980s and 1990s, David Ray Griffin argues that Alfred North Whitehead had formulated a radically different type of postmodern philosophy to which these criticisms do not apply. Griffin shows the power of Whitehead's philosophy in dealing with a range of contemporary issues-the mind-body relation, ecological ethics, truth as correspondence, the relation of time in physics to the (irreversible) time of our lives, and the reality of moral norms. He also defends a distinctive dimension of Whitehead's postmodernism, his theism, against various criticisms, including the charge that it is incompatible with relativity theory.