Mr. Britling Sees it Through by H. G. Wells

According to Wikipedia.com, Herbert George Wells (21 September 1866 – 13 August 1946) was an English author, now best known for his work in the science fiction genre. He was also a prolific writer in many other genres, including contemporary novels, history, politics and social commentary. Together with Jules Verne, Wells has been referred to as The Father of Science Fiction. This is a fictional novel that revolves around WWI.