This is Ayn Rand's challenge to the prevalent philosophical doctrines of our time and the "atmosphere of guilt, of panic, of despair, of boredom, and of all-pervasive evasion" that they create. One of the most controversial figures on the intellectual scene, Ayn Rand was the proponent of a moral philosophy, an ethic of rational self-interest, that stands in sharp opposition to the ethics of altruism and self-sacrifice. The fundamentals of this morality, "a philosophy for living on earth", are...