1969. 4th Edition, Revised & Enlarged. 407 pages. Pictorial dust jacket over red cloth. Black and white illustrations throughout with photographic plates to centre of book. Binding remains firm. Pages and illustrations have light tanning and foxing throughout. Previous owner's inscription, stamps and sticker to endpapers and front pastedown. Area of loss to rear pastedown. Water staining to some pages, text remains unaffected. Boards have light shelf-wear with corner bumping. Slight crushing to spine ends. Dent to front board edge. Water marking to rear board. Unclipped jacket has heavy edgewear with areas of loss, heavy tears, chips, and creasing. Light sunning to spine and edges. Wear marks and water staining overall.