1965. Twelfth Edition. 336 pages. Pictorial dust jacket over orange cloth with gilt lettering. Black and white photographic plates. Minor tanning to otherwise clear pages, pastedowns, free endpapers and plates. More prominent to text block edges. Binding remains firm. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has heavier tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.