Celebrated military historian, John Keegan, and co-author, Richard Holmes, chart the changes in the conduct of warfare through history with an instructive combination of analysis and illustration. In the process they reveal that what has not changed is that an army ultimately has to depend on the courage and determination of its fighting men.
Sir John Desmond Patrick Keegan was a British military historian, lecturer, writer and journalist. He was the author of many published works on the nature of combat between the 14th and 21st centuries concerning land, air, maritime, and intelligence warfare, as well as the psychology of battle. - Wikipedia