1950. Fourth edition. 704 pages. No dust jacket. Red cloth covered boards. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Cracking to hinges with exposed netting. Binding loose. Dedication to front free endpaper. Boards have heavy shelf wear with bumping and fraying to corners and crushing, fraying and tearing to spine ends and edges. All surfaces tanned and sunned, particularly spine. Book has slight forward lean.