The only published diary of a Canadian who held this rank in the last two (critical) years of the war, it focuses on the evolution of military leadership and associated challenges that Watson (and his peers) faced during the Great War. It recounts how he navigated not only the military battlefield in France and Belgium but also the political battlefield of the Canadian Expeditionary Force and larger British Expeditionary Force. The divisional commanders played a central role in the Corps' transformation into a first-rate professional army, a transformation that coincided with Watson's tenure at the 4th Division. Major-General David Watson's personal accounts offer valuable insights into the innermost workings of the Canadian Corps at various stages during the war and in particular its emergence as an elite fighting force and the pride of a nation