The Armageddon Song series of books, Andy Farman, give a version of a Russia v NATO war in Europe, based on how we thought it would go during the Cold War. Given the performance of the Russian Army in Ukraine, I don't think we'd have too much to worry about. Apart from the fact that it would be over by Christmas, as we don't have the ammunition for it to last much longer.
https://www.goodreads.com/series/171...ageddon-s-song