1956. Second Edition. 563 pages. Grey jacket over blue cloth with gilt lettering. Pages are mildly tanned, but text remains clear. Binding is firm. Boards and spine have minimal shelf-wear, with mild corner bumping and crushing to ends. Gilt remains bright. Light rubbing and scuffing overall. Unclipped jacket. Light tanning to spine, edges and joints. Panels have light edgewear, with small tears, chips and creases, heavier to spine ends. Moderate marking to exterior.