STANLEY, Henry Morton (1841?1904) In Darkest Africa; or, The Quest, Rescue, and Retreat of Emin, Governor of Equatoria. New York: Charles Scribner?s Sons, 1890. 2 volumes, 8vo. Steel?engraved portrait frontispieces, numerous plates and wood?engravings in text, 3 large folding maps in rear endpaper pockets. Original publisher?s green pictorial cloth gilt with inset silhouette of Africa, brown coated endpapers (light edge wear at extremities, else fine). Provenance: contemporary bookseller?s ticket at rear in Vol. I. FIRST AMERICAN TRADE EDITION, of Stanley?s account of one of his most famous expeditions to rescue Emin Pasha.