6th Edition. 256 pages. No dust jacket. Pictorial paper covered boards with green cloth to spine. Black and white photographs and colour illustrated plates throughout. Slight cracking to gutters causing binding to be loose, however pages remain attached. Pages and illustrations have light tanning and foxing throughout. Previous owner's inscriptions to front free endpaper. Boards have moderate shelf-wear with bumping to corners and rubbing to surfaces. Light tanning to spine and edges with crushing to spine ends.