1961. 5th Edition. 563 pages. No dust jacket. Blue cloth with gilt titles to spine. Separately paginated index. Pages have slight foxing, tanning and minor thumbing. Previous owner's inscription to front endpaper. Slight mark to text block edge. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Boards are slightly bowed and a bit dusty. Gilt is bright.