1961. Third Edition. 446 pages. Grey dust jacket over light blue cloth. Moderate tanning to pages with heavier foxing and tanning to pastedowns and endpapers. Pencil inscriptions to front endpaper and slight dog-eared pages throughout. Visible foxing and tanning to text block edges. Boards have moderate rubbing and water marks to front. Noticeable bumping to corners and fair crushing to spine ends as well. Unclipped jacket with heavy edge wear and sunning to spine as well. There is visible tearing to corners, edges and spine ends and major sunning to interior.