1931. Nineteenth Edition. 640 pages. No dust jacket. Paper covered boards with blue cloth to spine. Clean pages with moderate tanning throughout. Tightly bound with faint thumb-marking throughout. Previous owner's inscription to front pastedown and endpaper. Minor tearing to title page. Boards have light edgewear with corner crushing and mild marking to boards. Moderate tanning to board edges and spine, which has mild crushing to ends. Notable scuffing to edges. Books has a backward lean.