D. Crawford. Thinking Black: 22 Years Without a Break in the Long Grass of Central Africa. London: Morgan and Scott Ld., 1912. First edition. Octavo. 485pp; 18pp index; 18pp catalogue. Illustrated with b/w photo plates. Publisher's black pictorial cloth, spine and front cover lettered and decorated in gilt, map endleaves, mounted color frontispiece.From the.....