1931. Seventh Edition. 583 pages. Dust jacket over red cloth. Black and white photographic plates and illustrations. Includes letter signed by the editor. Light tanning to pages. More prominent to text block edges, pastedowns and free endpapers. Light cracking and creasing to gutters but binding remains firm. Boards have minor corner bumping and edgewear with noticeable tanning and scuffing overall. Spine has heavier tanning with soft crushing to ends. Book has a slight forward lean. Only front panel an detached flaps remain. Unclipped dust jacket with with heavy rubbing, chipping and tearing to edges. Moderate tanning and scuffing overall.