1940. Fourth Edition. 116 pages. No dust jacket. Blue paper covered boards. Contains black and white in-text illustrations. Pages are lightly tanned and foxed throughout, heavier to endpapers. Cracking to gutters of a few pages with exposed binding. Occasional thumb-marking present. Some light creasing to pages. Light scuffing to text-block edges. Binding is slightly shaky. Boards have moderate edge wear with bumping to corners and rubbing to surfaces. Crushing to spine ends with some loss to cloth. Mild tanning to spine and edges. Dark rubbed marking and minor brown stains to surfaces.