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

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