Prior to 1914, wars had been comparatively small affairs using relatively small amounts of military supplies and, despite warnings, British industry and government initially failed to grasp the scale of the war with demand for munitions soon outstripping supply. This book chronicles the build-up of British munitions production during the Great War and the methods the British used in terms of adapting the workforce and production in order to resolve the conflict in their favour. Examining the battles of Loos, The Somme, Arras and the 100 Days Campaign to chart the material ability to sustain the British war effort.