Status Updates From The First Air War, 1914-1918

The first several chapters focus pretty much on the use of balloons in the war, and the effort to work out how one could even go about making the airplane into a weapon of war. Even thinking of ramming -- but Western Civilization doesn't have a kamikaze tradition like Japan. The redevelopment of the machine gun to be smaller and lighter.

And now the conclusion/analysis

Shifting focus away from Western Front to “Other Fronts”

Full of good background to military aviation so far