1966. 4th Ed Second Imp.. 530 pages. No dust jacket. Red cloth with gilt lettering. Mild staining to page top edges mainly at end pages. Previous owner's inscription to front endpaper. Minimal foxing and tanning to endpapers and page edges. Mild wear and bumping to spine, board edges and corners, with tanning to spine. Moderate scuffing and marking to boards, with splitting to spine ends and joints.