Knowledge Products and the Audio Classics Series**

Get the classical education you missed in school by listening the Audio Classics Series, educational books on tape by Knowledge Products. Read details about our tapes, The Giants of Philosophy, World of Philosophy, Giants of Political Thought, The U.S. Constitution, Great Economic Thinkers, United States at War, World Political Hot Spots, Religion, Scriptures and Spirituality, Morality in Our Age, Secrets of the Great Investors, and more.