1966. 3rd edition. 493 pages. Grey jacket over grey cloth. Revised by Martyn F Wakelyn. Pages have slight foxing, tanning and minor thumbing. Foxing more noticeable towards the start and end of the book. Text block edges intensely foxed. Previous owner's inscription to front endpaper and rear pastedown. Boards have some moderate edge wear, with slight bumping to corners and minor bumping to spine ends. Boards a little rubbed and marked overall. Slight foxing. Clipped jacket has light edgewear with small tears and creasing. Jacket is slightly rubbed and marked overall. Jacket moderately foxed overall.Price sticker to front flap.