1976. Eighteenth Edition. 698 pages. Dust jacket over red cloth. Black and white illustrations throughout. Colour fold out maps. Pages are heavily tanned. Mild cracking to gutters, however binding remains firm. Previous owner's inscription to front endpaper. Boards have light shelf-wear with corner bumping. Mild sunning to board edges. Visible warping to boards. Unclipped jacket has light edgewear with tears and creasing. Heavy foxing. Moderate water staining to surfaces. Moderate tanning to spine. Light rubbing and marking all over.