1924. Eleventh edition. 244 pages. No dust jacket. Green cloth covered boards. Pages with some foxing and tanning, particularly to endpapers and textblock edges. Some cracking to gutters. Binding slightly loose. Front free endpaper missing. Dedication to front. 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.