1966. Sixth Edition. 85 pages. Paperback book with pictorial cover. Contains black and white photographic plates. Clean pages with mild tanning and foxing throughout. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to first page. Paper cover has mild edge wear with mild corner curling. Mild tanning to spine and cover edges. Sticker to front and stamp to rear cover. Mild scratching and marking to covers. Pen inscription to spine.