This lecture previews a forthcoming volume of Ayn Rand's marginalia, edited by Dr. Mayhew. Ayn Rand wrote marginal comments in more than 20 books and in numerous newspaper and magazine articles. This material provides a unique opportunity to see Ayn Rand in action, analyzing and evaluating a variety of writers such as Aristotle, Ludwig von Mises, Barry Goldwater, and C.S. Lewis.