Si Klegg Volume 6, subtitled "Si And Shorty, With Their Boy Recruits, Enter On The Atlanta Campaign," is a novel by John McElroy. It is a part of a series that follows the exploits of the fictional characters Si Klegg and Shorty, two Union soldiers during the American Civil War. In this book, Si and Shorty, along with a group of young recruits, participate in the Atlanta Campaign, a series of battles fought in the summer of 1864. The book provides a detailed account of their experiences during this period, including their participation in battles such as the Battle of Resaca, the Battle of Kenesaw Mountain, and the Battle of Peachtree Creek. Throughout the book, the characters face numerous challenges, including the harsh realities of war and the difficulties of training and leading inexperienced recruits. McElroy provides a vivid and engaging portrayal of the life of a soldier during the Civil War, including the camaraderie, hardships, and sacrifices that were a part of this experience.