""Notes on the Caucasus"" is a book written by W.T. Lyall, which provides a detailed account of the author's travels and experiences in the Caucasus region. The Caucasus region is located between the Black Sea and the Caspian Sea and comprises of several countries, including Georgia, Armenia, and Azerbaijan. The book is divided into several chapters, each of which focuses on a particular aspect of the region, such as its history, geography, culture,...