1962. Fourth Edition (Reprinted). 204 pages. Illustrated dust jacket over green cloth covered boards with gilt. Jacket covered in plastic. Pages remain clear with minimal tanning and foxing. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Mild crushing to spine ends. Gilt lettering is bright and clear. Book has a slight forward lean. Unclipped jacket has light edge-wear with tears and creasing. Tape repairs, loosely covered with taped on plastic.