I have not read Keegan but Tuchman has aged quite a bit. I would recommend "The War That Ended Peace: The Road to 1914" and "The Sleepwalkers: How Europe Wen

I have not read Keegan but Tuchman has aged quite a bit. I would recommend "The War That Ended Peace: The Road to 1914" and "The Sleepwalkers: How Europe Went to War in 1914".