Seventh Edition. 512 pages. No dust jacket. Blue cloth. Contains black and white illustrations and colour plates throughout. Pages are moderately tanned and foxed throughout. Scuffing to front and rear pastedowns. Notable creasing to gutter. Cracking to gutters, with exposed netting. Front and rear boards are loose but still attached. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Notable crushing to spine ends. Visible tanning to spine and edges. Bleaching to edges and front board. Brown marks to rear board. Textblock is shaky.