Of all of the military arms that took part in the war the cavalry is perhaps the most ridiculed, but is that a fair assessment?
British Cavalry on the Western Front 1916-1918 by David Kenyon
Fire and the Sword: The British Army and the Arme Blanche Controversy 1871-1921 by Stephen Badsey
The Last Hurrah: Cavalry on the Western Front, August–September 1914
From Boer War to World War Tactical Reforms of the British Army 1902-1914 by Spencer Jones
The Boer War (1899-1902) and British Cavalry Doctrine: A Re-evaluation by Stephen Badsey
Smile and Carry On - Canadian Cavalry on the Western Front 1914-1918 by Stephanie E. Potter