Never studied history at skule.
Caught the bug when I was in Berlin. Slowly discovered that much of what is published is very readable, but without solid foundation in fact, nor written by authors with a grasp of the simple 'mechanics' of war, however readable they may be.
Holland may be readable, but he lacks understanding.
Holmes (who supposedly funded his Uni days by writing soft porn for Mayfair magazine

) was well informed, very conscientious about facts, sources and analysis, very fluent on paper, more so in (unscripted) person, and better yet when he'd a good couple glasses of red wine inside him before the afternoon leg of that day's bottlefield tour.
Like I said, Gold Standard.