1963. Fourth Edition. 325 pages. No dust jacket. Blue cloth with black lettering. Mild brown staining to pages on occasion. Minimal foxing and tanning to endpapers and page edges. Previous owner's name to front endpaper. Mild wear and bumping to spine, board edges and corners, with small splits (approx. 1cm) to spine ends. Notable sunning to spine and board edges, with scuffing, staining and marking to boards.