The Sky is the Limit: The Art 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
George Matthew Adams, James Allen, Charles F. Haanel, Napoleon Hill, William Walker Atkinson, Marcus Aurelius, B. F Austin, P. T. Barnum, Genevieve Behrend, Dale Carnegie, Wallace D. Wattles, Florence Scovel Shinn, Sun Tzu, Lao Tzu, Benjamin Franklin, George S. Clason, Joseph Murphy, Niccolò Machiavelli, Kahlil Gibran, Elbert Hubbard, Earl Nightingale, Miyamoto Musashi, Russell H. Conwell, Charles Fillmore, Ralph Waldo Trine, F. W. Sears, Elizabeth Towne, Emmet Fox, Orison Swett Marden, H. A. Lewis, Harvey Hardman, Emile Coué & Neville Goddard
