1968. Revised Edition. 74 pages. Illustrative jacket over illustrative paper covered boards. Contains black and white and colour illustrations throughout. Pages remain bright and clear with minimal tanning and foxing. Some creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Light crushing to spine ends. Minor marks to boards. Unclipped jacket has light edgewear with tears and creasing. Minor tanning to spine. Some rubbing to surfaces.