Las llaves del Éxito de Napoleón Hill: Los 17 principios del triunfo personal (Psicología y autoayuda)

The 17 Principles of Personal Achievement. Napoleon Hill summed up his philosophy of success in Think and Grow Rich!, one of the bestselling inspirational business books ever. A survey of business leaders named it one of the five most influential books in its field. In Napoleon Hill's Keys to Success, his broadly outlined principles are expanded in detail for the first time, with concrete advice on their use and implementation. Compiled from Hill's teaching materials, lectures, and articles, Napoleon Hill's Keys to Success provides mental exercises, self-analysis techniques, powerful encouragement, and straightforward advice to anyone seeking personal and financial improvement. No other Napoleon Hill book has addressed these 17 principles so completely and in such precise detail. For the millions of loyal Napoleon Hill fans and for those who discover him each year, Napoleon Hill's Keys to Success promises to be a valuable and important guide on the road to riches.