I read "Guns of the South" first and was intrigued, so I read "How Few Remain". The concept is fascinating. The South wins the Civil War and the former United States remains permanently divided into 2 nations: the CSA and the USA. Following the War of Rebellion, a constant state of hostility exists between the CSA and the USA. In "American Front", the CSA and USA are on opposite sides of the Great War and North America sees the same horrors of trench warfare as Europe. My main complaint is that the author introduces too many characters and jumps frequently from one set of characters to another and from one venue to another. There's no opportunity to know the characters very well and care about them, and they seem cartoonish and one-dimensional. "Guns of the South" is a much better read.