1966. Fifth Edition. 208 pages. Photographic dust jacket over cloth. Black and white photographic plates and illustrations. Pages are bright and clear with light tanning to text block edges. pen inscriptions and visible tape staining to both free endpapers. Dust jacket adhered to pastedowns. Binding remains firm. Boards presumed clean due to dust jacket adhesion. Unclipped dust jacket with minor rubbing, chipping and tearing to edges. Some minor tanning, creasing and scuffing overall.