If you found The Guns of August interesting, you should have a look at The Sleepwalkers by Christopher Caldwell: 1914 read not through WW II but through the 19

If you found The Guns of August interesting, you should have a look at The Sleepwalkers by Christopher Caldwell: 1914 read not through WW II but through the 1990s Balkan wars and Serbian irrendentism.