1954. Sixth English Edition. 321 pages. Light blue dust jacket over green cloth in a brown slipcase. Contains colour illustrations throughout. Volume I. Minor tanning to pages with notable tanning to text block edges. Slight dog-eared pages throughout. Boards have fair rubbing and mild edge wear. Light bumping to corners and fair crushing to spine ends as well. Slipcase has major edge wear and tears to edges and visible rubbing and sunning with tears to joints. Unclipped jacket with light edge wear and sunning. Heavy sunning to spine and there is visible tearing to corners, edges and spine ends as well.