25+ Self-Help Classics CollectionAutori: Napoleon Hill, James Allen, Kahlil Gibran, Sun Tzu, Lao Tzu, Confucius, Benjamin Franklin, Marcus Aurelius Antoninus, Russell H. Conwell, Ralph Waldo Emerson, Florence Scovel Shinn, Charles F. Haanel, Wallace D. Wattles, Orison Swett Marden, George Samuel Clason, William Walker Atkinson, P. T. Barnum, G.K. Chesterton, Leo Tolstoy
Voce: Joe Phoenix