Twentieth Edition. 216 pages. No dust jacket. Blue cloth with gilt lettering. Clean pages with mild tanning and foxing throughout, notable to endpapers. Tightly bound with mild thumb-marking throughout. Mild water stain and pencil to front endpaper. Boards have mild edgewear with corner crushing and notable marking to boards. Mild tanning to spine, which has mild crushing to ends. Book has forward lean. Boards are notably warped. Mild water stains and droplets to boards.