1982. Revised Edition. 56 pages. Dust jacket over orange cloth. Black and white illustrations throughout. Pages are bright and clear with no visible markings. Binding throughout remains firm. Pencil inscription to front endpaper and title page. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Mild sunning to spine. Unclipped jacket has light edgewear with tears and creasing. Notable foxing to surfaces. Heavy sunning to spine and panel edges.