In his now classic Zen and the Art of Motorcycle Maintenance, Robert Pirsig brings us a literary chautauqua, a novel that is meant to both entertain and edify. It scores high on both counts. Phaedrus, our narrator, takes a present-tense cross-country motorcycle trip with his son during which the maintenance of the motorcycle becomes an illustration of how we can unify the cold, rational realm of technology with the warm, imaginative realm of artistry. As in Zen, the trick is to become one with the activity, to engage in it fully, to see and appreciate all details--be it hiking in the woods, penning an essay, or tightening the chain on a motorcycle. In his autobiographical first novel, Pirsig wrestles both with the ghost of his past and with the most important philosophical questions of the 20th century--why has technology alienated us from our world? what are the limits of rational analysis? if we can't define the good, how can we live it? Unfortunately, while exploring the defects of our philosophical heritage from Socrates and the Sophists to Hume and Kant, Pirsig inexplicably stops at the middle of the 19th century. With the exception of Poincar�, he ignores the more recent philosophers who have tackled his most urgent questions, thinkers such as Peirce, Nietzsche (to whom Phaedrus bears a passing resemblance), Heidegger, Whitehead, Dewey, Sartre, Wittgenstein, and Kuhn. In the end, the narrator's claims to originality turn out to be overstated, his reasoning