1940. Sixth Edition. 301 pages. No dust jacket. Blue cloth boards with gilt lettering to spine and front. Binding remains firm. Crinkling to pages at gutters. Couple of annotated pages. Paper clip mark to first title page and front pastedown; also front endpaper has small loss where clip used to be. Pencil inscription to reverse side. Previous owner's inscription to front endpaper. Pages remain bright and clear with minimal tanning.Boards have mild edge wear with slight rubbing to surfaces. There is bumping to corners and crushing to spine ends. Tanning to spine and edges causing discolouration. Gilt lettering is darkened and faded. Boards are bowed. Book has a slight forward lean.