1943. Fourth Edition. 255 pages. Blue dust jacket over blue cloth. Pages are lightly tanned and foxed throughout. Cracking to gutters of a few pages with exposed binding. Light thumb-marking present. Binding is slightly shaky. Boards have mild edge wear with slight rubbing to surfaces. Spine strip is slightly loose. Mild sunning to spine and edges. Heavy staining to boards with notable discolouration to cloth. Clipped jacket has heavy edge wear with some areas of loss, heavy tears, chips and creasing. Rippling to paper and water staining. Light tanning to spine and edges. Dark marks to rear panel.