Third Edition. 257 pages. No dust jacket. Blue cloth. Black and white photographic and colour illustrated plates throughout. Pull-out diagram to rear pastedown. Binding is shaky, pages are loose. Pages and plates are lightly tanned throughout. Heavier to endpapers and pastedowns. Small tears to some pages. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends. staining to front board. Wear marks overall.