1950. Twelfth Impression. 914 pages. No dust jacket. Blue cloth. Pages are lightly tanned with mild foxing. Mild cracking to gutters, however binding remains firm. Mild water staining to last page. Previous owner's inscription to front endpaper. Mild thumb-marking present. Boards have light edgewear with corner crushing and heavy marking to boards. Notable tanning to spine, which has mild crushing to ends. Heavy foxing to spine. Book has forward lean. Boards are mildly warped.