From 1916 onwards he helped to organize and lead the Arab revolt against the Turks in the Middle East. His campaign of guerrilla raids contributed to General Allenby’s eventual victory in Palestine in 1918; Lawrence described this period in The Seven Pillars of Wisdom (1926). In 1922 he enlisted in the RAF under an assumed name to avoid attention and remained in the ranks of that service for most of the rest of his life. He was killed in a motorcycle accident.