"The Art of Tying the Cravat" is a book written by H. Le Blanc, Esq. The book provides a guide on how to tie a cravat in 32 different styles, with illustrations for each. It also includes the history of the cravat from its origins to the present day, as well as its influence on society in general. The book emphasizes the importance of a well-tied cravat as a symbol of distinction and elegance and provides instructions on how to achieve different looks depending on the occasion.