1937. Seventh Edition. 324 pages. No dust jacket. Green cloth with yellow lettering to spine. Black and white photographic frontispiece. Pages are mildly tanned and foxed, but text remains bright and clear. Binding is firm. Previous owner's stamp and pencil inscriptions to front free endpaper. Boards have light shelf-wear, with noticeable corner bumping and minimal scuffing to edges. Spine is slightly sunned, with mild crushing to ends. Book has a slight forward lean. Slight rubbing to rear board.