1962. Sixth Edition. 313 pages. No dust jacket. Green cloth with gilt lettering. Light tanning to pages with minor staining and foxing to text block edges, pastedowns and free endpapers. Slight staining and creasing to gutters and hinges. Pen inscription to reverse of half title page. Binding remains firm. Boards have minor corner bumping and edgewear with mild sunning overall. Spine has light sunning with soft crushing to ends. Lettering remains bright and clear. Book has a slight forward lean.