Gregory Fremont-Barnes holds a doctorate in Modern History from the University of Oxford and serves as a Senior Lecturer in the Department of War Studies at the Royal Military Academy, Sandhurst. A prolific author, his books include Waterloo 1815: The British Army's Day of Destiny and many others on military and naval subjects covering the 18th to the 21st centuries. Holding a particular interest in insurgency and counterinsurgency, his wider work for the UK Ministry of Defence on these subjects regularly takes him to Africa, the Middle East and South America. As an academic advisor, Dr Fremont-Barnes has accompanied many groups of British Army officers and senior NCOs in their visits to numerous battlefields of the Peninsular War, the Waterloo campaign, Normandy and the Falklands. Professor Robert O'Neill, AO D.Phil. (Oxon), Hon D. Litt. (ANU), FASSA, FR Hist S, is the Series Editor of the Essential Histories. He has held a number of eminent positions in history circles, including the Chichele Professorship of the History of War at All Souls College, University of Oxford, 1987-2001, and the Chairmanship of the Board of the Imperial War Museum and the Council of the International Institute for Strategic Studies, London.