Think And Grow Rich has earned itself the reputation of being considered a textbook for actionable techniques that can help one get better at doing anything, not just by rich and wealthy, but also by people doing wonderful work in their respective fields. There are hundreds and thousands of successful people in the world who can vouch for the contents of this book. At the time of author’s death, about 20 million copies had already been sold. Numerous revisions have been made in the book, from time to time, to make the book more readable and comprehensible to the readers.