First published in the year 1937, Think and Grow Rich is a personal development, self-help book by widely famous inspirational books writer Napoleon Hill. Napoleon Hill interviewed and studied the 500 greatest wealth-makers of his time. From their examples, he uncovered the universal laws of success-principles that will work for anyone willing to put them into practice. The result, first published in 1938, was Think and Grow Rich. The philosophy taught in the book can be used to help people succeed in all lines of work and to be almost anything they want. Through this book, Napoleon Hill pointed the way out of the Great Depression and towards a prosperous future. Even after seventy years of its first publication, this book the surest map to wealth.