The popularity of such books as Frank McCourt's Angela's Ashes, Mary Karr's The Liars' Club, and Kathryn Harrison's controversial The Kiss, has led columnists to call ours "the age of memoir." And while some critics have derided the explosion of memoir as exhibitionistic and self-aggrandizing, literary theorists are now beginning to look seriously at this profusion of autobiographical literature. Informed by literary, scientific,...