London, John Murray, 1856. Orig. full cloth. Gilt lettering to spine. Blindtoolings to covers. rebacked preserving all of original spine. Endpapers renewed. Fronstispiece. XVI,456 pp., 1 folded plan and 1 folded map. Clean and fine.
First edition. In 1854 he joined an expedition up the Niger River and, on the death of the ship’s captain, took command of the expedition. With a crew made up chiefly of Africans, he explored the Benue River, the main tributary of the Niger, penetrating 250 miles (400 km) farther than any European had before.