Sky is the Limit: The Art of of Upgrading Your Life: 50 Classic Self Help Books Including.: Think and Grow Rich, The Way to Wealth, As A Man Thinketh, The Art of War, Acres of Diamonds and many more
James Allen, Ralph Waldo Emerson, Dr. Joseph Murphy, Wallace D. Wattles, Benjamin Franklin, Khalil Gibran, Marcus Aurelius, Douglas Fairbanks, Lao Tzu, Sun Tzu, Russell H. Conwell, Dale Carnegie, Florence Scovel Shinn, Charles F. Haanel, P.T. Barnum, Orison Swett Marden, Samuel Smiles, L.W. Rogers, Henry Thomas Hamblin, William Atkinson, Abner Bayley, B.F. Austin, H.A. Lewis, Henry H. Brown, William Crosbie Hunter