1956. Third Impression 1956. 182 pages. Blue paper covered boards with lettering. Slight crinkling to gutters however binding remains firm. Pages remain clear with minimal tanning and foxing. Pen annotations and marginalia to a few pages. Boards have mild edge-wear with slight rubbing to surfaces and bumping to corners. Slight tanning to spine and edges. Unclipped jacket. Panels and spine has light edgewear with tears and creasing.