Early years in Louisiana -- A naval cadet -- Junior officer years, 1890-1900 -- Building a reputation, 1900-1910 -- Expeditions and the advanced Base Force, 1910-1917 -- Lejeune, the Marine Corps, and World War I -- War Plan Orange: the Marine Corps at a crossroads, 1919-1920 -- Reinvigoration of the Marine Corps -- The development of amphibious assault, 1920-1929 -- Lejeune's legacy: the Marine Corps of the 1930s.