1937. Sixth Edition. 265 pages. Grey jacket over blue cloth with gilt lettering to spine. Pages are lightly tanned and foxed, but text remains clear. Binding is firm. Slight creasing to a few pages. Pencil inscriptions to rear free endpaper, with label to pastedown opposite. Boards have moderate shelf-wear, with noticeable corner bumping and some scuffing to edges. Spine is slightly sunned, with noticeable crushing and slight splitting to ends. Gilt remains bright. Noticeable rubbing to front board, with a couple marks to rear one. Book has a minor backwards lean. Unclipped jacket. Light tanning to spine, edges and joints. Heavy edgewear, with visible rips and chipping, and some areas of loss. Moderate marking to exterior.