Think and Grow Rich' became the must-have bible of prosperity and success for millions of readers since its initial publication in 1937. There are hundreds and thousands of successful people in the world who can vouch for the contents of this book. For more than a decade, the author interviewed some of the wealthiest and most successful people in the world. This book teaches not just concepts but also methods. It is not a book that a reader can use for one time consumption.