1950. Fifth edition. 567 pages. No dust jacket. This is an ex-Library book. Red cloth covered boards with gilt. Ex library copy with associated labels, inserts, stamps and annotations. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Binding remains firm. Some page corners folded. Boards have heavy shelf wear with bumping and fraying to corners and crushing and fraying to spine ends. All surfaces heavily tanned, particularly spine. Gilt lettering to spine is strongly dulled but remains brighter on front.