She published several popular books in the United States during the mid-1900s, including her two best-selling novels, "Atlas Shrugged" and "The Fountainhead", plus "We the Living" and "Anthem". Her novels promoted a viewpoint of laissez-faire capitalism as a political and social goal. It is a kind of political philosophy known in the U.S.A. as libertarian conservatism. She called this philosophy 'objectivism'.