1967. Revised Edition. 316 pages. Illustrated dust jacket over blue cloth covered boards with gilt. Ephemera on the author in the back flap. Pages and plates remain bright and clear. Cracking to hinges, no damage to end papers. 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.