1961. Sixth Impression. 211 pages. Pictorial dust jacket over blue with gilt lettering. Contains black and white plates throughout. Black and white illustrations throughout. Prize plate stuck to first blank page. Binding remains firm. Pages remain bright and clear with slight foxing throughout. Mild cracking to gutters. Mild tanning and foxing to text block edges. Boards have light shelf-wear with corner bumping. Slight tanning to spine and edges. Light crushing to spine ends. Gilt lettering is bright and clear. Two scratches to front board. Small board crease to rear. Unclipped jacket has light edgewear with tears and creasing. Visible tanning to inside, flaps, and rear cover. Several small black marks to rear cover.