Exclusive edition for Amazon.The author's best-selling book in Spanish. "The world confers its best rewards, both in honors and money, on one thing: ..." (Elbert Hubbard) Why do some achieve success and others not? Why are some with less knowledge promoted than others with more? Many books have been written to answer these questions, promising to achieve success. But it was the American Elbert Hubbard who first wrote the essential key, the most important, through a brief story one day in 1899, in addition to other advice... A LETTER TO GARC
