1968. Second Revised Edition. 138 pages. No dust jacket. Green cloth with gilt lettering. Black and white photographic plates. Book has a slight smoky odour. Light tanning to otherwise clear pages and plates. More prominent to text block edges, pastedowns and free endpapers. Light cracking to gutters and hinges but 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.