1951. Forty-Second Edition. 158 pages. No dust jacket. Red cloth. Black and white illustrations throughout. Clean pages with light tanning and visible foxing throughout. Tightly bound with mild thumb-marking throughout. Heavy foxing to text block edges. Boards have light shelf-wear with corner bumping. Mild sunning to spine, which has mild crushing and wear to ends. Mild scratching and marking to boards. Book has forward lean.