Book excerpt: Here is an essential handbook for all those who would "do theology today, written by one of America's most distinguished theologians. The book is divided into four parts: -- "Theology of Theology, which extends, deepens, and renders more persuasive the author's lines of thought on theological prolegomena -- "Theology and Christology, which argues that to do theology today one must be concerned above all with the fundamental questions of God and Jesus -- "Theology of Religions, which implies that to do theology today is to do it in a truly global context, in the presence of the plurality of ways of being human, including those represented by non-Christian religions -- "Theology in Conversation, which claims that to do theology today is to enter into close and sustained conversation with others who either are or have been engaged in the same task of critical reflection