This book is by far hands down one of the best self help books ever written along with Think and Grow Rich. The reason why it has achieved such global respect and is often cited as one of the most influential books by leaders in government and industry is simple, it is a book on proper etiquette. Lessons that can be learned, studied , and applied by anyone who chooses to work on themselves to have a better, more well balanced prosperous life. Get the 5 pack.