BUY THIS BOOK!! GIVE IT TO EVERYONE THAT YOU KNOW.While reading this book, I had to look back at the copyright of 1944 every six pages. Between his two main works, this book and "How to Win Friends and Influence People", I think Stephen Covey and Brian Tracy probably owe their entire careers to Dale Carnegie.If you stay up late and pace the floors giving yourself hypertension, this book is for you. If you are a perpetual angry person and you find yourself constantly putting others down, this book is for you.I have highlighted this entire book and read parts of it daily.The tools and techniques in this book will guide you to a worry-free life and it will also give you some valuable tools on problem solving that will stay with you for every.