1961. Sixth Impression. 190 pages. No dust jacket. Blue cloth with gilt lettering. Light tanning to pages. Pencil inscription to front free endpaper. Annotations in pencil throughout; text remains legible. Binding remains firm. Boards have minor corner bumping and edgewear with light crushing to spine ends and visible scuffing to rear board. Spine has light sunning. Lettering remains bright and clear. Book has a slight forward lean.