This book by Dale Carnegie is a comprehensive guide to mastering the art of public speaking. It covers topics such as how to prepare for a speech, how to present your ideas effectively, and how to handle difficult questions. It also provides tips on how to use body language, voice, and humor
From Wikipedia
Dale Carnegie was an American writer and teacher of 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 bestseller that remains popular today. He also wrote How to Stop Worrying and Start Living (1948), Lincoln the Unknown (1932), and several other books.