"Three Months in the Southern States, April-June 1863" is a unique observation by British officer Arthur James Lyon Fremantle during a visit to the American Southern Confederacy during the Civil War. The author describes in detail his journey, his impressions of meeting with the military and civilian population of the Southern States, as well as the events that took place during this period. He examines the political, social and economic situation in the south of the country and tries to understand the views and motives of the inhabitants of this region. This book is not only a valuable document for studying the history of the American Civil War, but also an interesting read for anyone interested in American history and the social transformations of the 19th century.