Fourth edition. 302pp. Black cloth-covered boards, gilt motif on upper panel, gilt-stamped lettering on the spine. 12mo. Cloth just a little pushed at spine ends. Faint and occasional foxing on text block edges. Internally neat, clean, bright and tight. In its original worn and edge-rubbed dust wrapper, slight chipping at spine tips. Dust jacket now protected in an archival quality Mylar wrapper fitted without the use of tape or adhesives.