THE 17 UNIVERSAL PRINCIPLES OF SUCCESS! Follow in the footsteps of the giants of success! Hill devoted his life to studying the question of what makes someone successful. After analyzing the success of more than 500 of the 20th century´s greatest achievers, his exhaustive research proved that the essence of success lies within 17 principles that when used together serve as an infallible formula for achievement. In this book, you will read these never before published lectures delivered to individuals who were being trained in his organization to teach his philosophy. Napoleon Hill's Philosophy of Success - Napoleon Hill od authora Napoleon Hill a nakladatelství za skvělé ceny na e-shopu Martinus. cz.