1928. 4th edition revised. 269 pages. No dust jacket. Blue cloth. Pen inscription to front free endpaper & half title page. Pages are mildly tanned & foxed throughout. Heavier to endpapers & paste downs. Text is clear. Binding is slightly shaky , however pages remain attached. Boards have mild edge-wear with bumping to corners. Book has a slight forward lean. Slight tanning to spine and edges with crushing to spine ends. Gilt lettering remains bright & clear.