The E.E.F. came into being in March 1916 from the remnants of the British troops from Gallipoli and the troops already in Egypt although it lost ten of its fourteen infantry divisions to other theatres in quick order. The multinational force of Australians, New Zealanders, Indians and British Territorial troops became a strategic reserve for the British Army This fascinating book was originally published as a series of ten articles in the Cavalry Journal between 1921 and 1923. The articles were an attempt to bring together learning form what was probably the last major cavalry campaign.