The book "The Second Regiment of Connecticut Volunteer Heavy Artillery in the Civil War. An Essay" by Dudley Landon Vail. This research paper tells the story of the Second Connecticut Volunteer Heavy Artillery, originally known as the Nineteenth Infantry, during the United States Civil War. The author describes in detail the battles, events and lives of soldiers during the war, revealing important aspects of the regiment's participation in the conflict. This book is an essential resource for anyone interested in military history and the history of the Civil War in the United States.