Fourth Edition. 187 pages. No dust jacket. Grey cloth boards with lettering. Black and white pictorial frontispiece. Clean pages with noticeable tanning and foxing throughout. More pronounced to free endpapers and pastedowns. Pen markings to front free endpaper. Binding remains firm. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Gilt lettering is darkened. Moderate tanning to spine and edges with crushing to spine ends. Moderate splits to spine ends and corners causing cloth to be frayed. Visible wear marks to boards.