1954. Fourth Edition. 544 pages. Green dust jacket over red cloth. Moderate tanning to pages with heavier foxing and tanning to pastedowns and endpapers. Visible foxing to text block edges. Boards have minor rubbing and light bumping to corners. Soft crushing to spine ends. Unclipped jacket with visible edge wear and rubbing. Splitting to joints and visible tearing to corners, edges and spine ends. Minor sunning to interior.