1956. Eleventh Edition. 532 pages. No dust jacket. Blue cloth with gilt lettering. Missing front free endpaper. Pages are bright and clear with light foxing and tanning to text block edges, free endpapers and title page. Hinges are moderately cracked, exposing netting and causing boards and binding to be loose. Boards have minor corner bumping and edgewear with mild staining, tanning and scuffing overall. Spine has heavier tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean.