1979. Seventh Impression. 144 pages. This is an ex-Library book. Pictorial dust jacket over blue cloth. Ex-library copy, with expected inserts and inscriptions. Contains black and white illustrations and plates throughout. Pages remain bright and clear with minimal tanning and foxing. Scuffing to front free endpaper. Visible creasing to gutter. Binding remains firm. Boards have mild edge-wear with slight rubbing to surfaces. Soft crushing to spine ends. Minor marks to boards. Unclipped jacket has light edgewear with tears and creasing. Minor rubbing to surfaces.