1960. Eighteenth Impression. 1038 pages. No dust jacket. Paper covered boards. Pages are heavily tanned. Mild cracking to gutters, however binding remains firm. Mild thumb-marking present. Boards have light edgewear with corner crushing and mild marking to boards. Mild sunning to board edges and spine, which has mild crushing to ends. Droplets to front board. Book has forward lean. Boards are mildly warped.