1927. Fifth edition. 583 pages. Pictorial dust jacket over blue cloth. Fold-out colour maps. Pages remain bright and clean with minimal tanning and foxing. Binding remains firm. A previous owner's name to front free endpaper. Some underlining. Boards have moderate shelf wear with mild bumping and fraying to corners and crushing and fraying to spine ends. All surfaces tanned. Gilt lettering to spine is slightly dulled. Some additional mild marks and staining. Unclipped jacket has light edge wear with minor tears, chipping and creasing. Some tanning and foxing to all surfaces, particularly to spine.