Cecil B. Hartley 
The Gentlemen’S Book Of Etiquette, And Manual Of Politeness; Being A Complete Guide For A Gentleman’S Conduct In All His Relations Towards Society 

"The Gentlemen's Book of Etiquette, and Manual of Politeness" is a guidebook on social etiquette and manners written by Cecil B. Hartley. The book provides a comprehensive guide on how to behave in various social situations, including dining, conversation, dress, and personal conduct. Hartley emphasizes the importance of good manners and proper behavior in social interactions, and he provides practical advice on how to conduct oneself in different situations. The book is addressed specifically to men and provides guidance on how to be a gentleman in various aspects of life. The book is divided into several sections, each of which covers a different aspect of social etiquette. Readers can get compelled to "The Gentlemen's Book of Etiquette, and Manual of Politeness" which is a fascinating glimpse into the social norms and expectations of the Victorian era, and it provides valuable insights into the development of modern etiquette and manners.