Described by Frank McLynn, his most recent and exhaustive biographer, as the "greatest of the African explorers and one of the most fascinating of the late Victorian adventurers," Sir Henry Morton Stanley spent a dozen years of his life undertaking four major expeditions into and across Central Africa. The successful accomplishment of his first journey (1870-1871), from the east coast to Ujiji, on Lake Tanganyika, to find the celebrated explorer Dr. David Livingstone, immediately made him world-famous. His second expedition (1874-1877), made to complete Livingstone's work, crossed the entire continent from east to west and included among its achievements the establishing of the shapes and sizes of Lakes Victoria and Tanganyika and the navigating of the River Lualaba from Nyangwe, deep in the heart of Africa (west of which Livingstone had not traveled), to within fifty miles of the Atlantic Ocean. Stanley also proved the Lualaba to be...