1966. Sixth Edition. 288 pages. Patterned dust jacket over blue cloth with gilt lettering. Prize plate to front free endpaper. Black and white photographic plates. Pages are bright and clear with light foxing and tanning to text block edges, pastedowns and free endpapers. Pen inscription to front pastedown. Binding remains firm. Book is lightly bowed and forward leaning. Spine has light sunning with soft crushing to ends. Lettering remains bright and clear. Clipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.