Twenty-first edition. Unpaginated. No dust jacket. Brown cloth covered boards with blind stamped decoration. Publisher's catalog at rear. Pages are moderately tanned and foxed throughout, heavier at end-papers, paste-downs and text-block edges. Previous owner's pencil inscription to front free end-paper. End-papers are dusty with minor ink stains to rear. Top. Cracking to gutters, with exposed netting causing the binding to be shaky. Cracked at front and rear boards. Boards have moderate edge-wear with bumping to corners and rubbing to surfaces. Mild crushing to spine ends. Book has a slight forward lean. Further dust staining to boards.