1948. Fourth Edition. 542 pages. No dust jacket. Black cloth with gilt lettering. Minor foxing and tanning to pages. More prominent to text block edges, pastedowns and free endpapers. Annotations, underlining and marginalia in pencil throughout; text remains unaffected. Moderate cracking to gutters causing some noticeable looseness to binding but pages remain attached. Boards have minor corner bumping and edgewear with mild tanning and scuffing overall. Spine has light tanning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean.