1930. New Impression of Third Edition. 416 pages. Blue dust jacket over blue cloth. Pages remain bright and clear. Mild cracking to gutters. Mild annotations and marginalia to pages throughout. Previous owner's inscription to front endpaper. Moderate tanning and heavy foxing to endpapers. Boards have light shelf-wear with corner bumping. Mild scratching and marking to boards. Mild tanning to spine, which has mild crushing and wear to ends. Unclipped jacket has light edgewear with tears and creasing. Light rubbing and marking all over. Moderate foxing to rear panel. Heavy tanning to spine.