1969. 7th impression.. 184 pages. Yellow dust-jacket over red cloth. Pages remain bright and clear with minimal tanning and foxing. Binding is shaky, however pages remain fully attached. Unequal tanning to endpaper corresponding with jacket flaps. Boards have mild edge-wear with slight rubbing to surfaces. Spine has crushing to both ends. Book has forward lean. Unclipped jacket has light edgewear with tears and creasing.