This book is an introduction to public speaking by the master of the art, Dale Carnegie. It contains a wealth of information on the voice, delivery, distinctness and much more. This is a fascinating work and is thoroughly recommended for anyone interested in the skills of public speaking. Dale Breckenridge Carnegie was an American writer, lecturer, and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Born into poverty on a farm in Missouri, he was the author of How to Win Friends and Influence People (1936), a massive bestseller that remains popular today. He also wrote How to Stop Worrying and Start Living (1948), Lincoln the Unknown (1932), and several other books. One of the core ideas in his books is that it is possible to change other peoples' behavior by changing one's behavior toward them.