1964. Fourth Edition. 254 pages. White and brown dust jacket over green cloth. Mild tanning to pages with heavier tanning to pastedowns and endpapers. Pen inscriptions to front endpaper and visible tanning to text block edges. Boards have mild rubbing and visible bumping to corners. Fair crushing to spine ends. Unclipped jacket with moderate edge wear and major rubbing and foxing. Splitting to joints and visible tearing to corners, edges and spine ends. Moderate foxing to interior.