1965. Twentieth Impression. 159 pages. Dust jacket over red cloth. Black and white illustrations throughout. Clean pages with light tanning and notable foxing to endpapers. Tightly bound with faint thumb-marking throughout. Boards have light edge wear with minor corner bumping. Mild crushing to spine, with occasional markings overall. Boards are mildly warped. Unclipped jacket has light edgewear with tears and creasing. Notable foxing. Pen to front flap. Notable rubbing and marking all over.