"Rules of politeness, decency and good tone" is a classic work written by the Austrian writer Ignats Lehmann. In this book, the author examines the concept of etiquette in detail, establishes standards of interaction in society and gives advice on correct behavior. In his book, Lehman develops communication rules that help avoid conflicts and create an atmosphere of mutual respect. It emphasizes the importance of politeness to other people, defines the norms of cultural communication and provides advice on maintaining dignity in any situation. "Rules of politeness, decency and good tone" have become a real etiquette guide for many generations of readers. This book helps to develop a culture of communication and educates in people a sense of mutual responsibility for their words and actions.