Book "Principles of Politeness and Knowledge of the World" authorship of Chesterfield, Philip Dormer Stanhope, Earl. In this edition, the author reveals and explains the principles of politeness and the art of communication, which are important aspects of successful social interaction. The book is considered a classic of etiquette and manners, which helps the reader better understand the affairs of public life and take care of his reputation in society. Through the prism of his own experience and observations, the author offers practical advice on building relationships with others and achieving success in various areas of life. "Principles of politeness and knowledge of the world" will be a useful guide for those who want to improve their communication culture and become a more successful person in society.